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`that update messages are exchanged byservers periodically, indicating messages are exchanged
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`CLAIM 3
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`The method of claim 1 wherein said time interval correspondsto a time for
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`RING,in view of Netrek, discloses the method of claim 1 wherein said time intervalis a
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`RING at p. 87.
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`shared memory (e.g., “buf’). See Server\ntserv\input.c at line 195 and Server\ntserv\socket.c at
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`from cach host—cach host that joins has a corresponding ntscrv process running on the server,
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`which waits 0.2 seconds for at least one message to aggregate in buf from each host computer
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`belonging to the first message group (¢.g., all players in the game or on a particular team)—and
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`Server\ntserv\redraw.c at lines 21-115. One of ordinary skill in the art would have looked to
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`Netrek to teach a time interval to receive at least one message from cach host computer as both
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`Netrek and RING involve exchanging packets of positional information in a gaming environment
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`on a unicast network in order to maintain consistency in the virtual world and increase efficiency
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`CLAIM 4
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`The methodof claim | further comprising the step of creating, by one of said
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`plurality of host computers, said first message group by sending a first
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`RINGdiscloses creating the first message group by sendinga first control message to the
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`server using the unicast network; for example, when a first player enters a “hexagonal shaped
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`cell,” they create a message group consisting of the first player, and when other players enter the
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`same “hexagonal shapedcell,” they join the message group created by the first player. RING at
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`p. 90-91. More specifically, the server creates the "hexagonal shapedcell," but the first player
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`45
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 243
`
`Petitioner Riot Games, Inc. - Ex. 1005, p. 243
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`

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`entering the cell creates the first message group, which comprises the players in the cell.
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`Therefore, RING discloses the creation of the first message group when people enter the
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`“hexagonal shaped cell.” Jd.
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`CLAIMS
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`The methodof claim 4 further comprising the step of joining, by someof said
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`plurality of host computers, said first message group by sending control
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`messages via said unicast networkto said server specifying said first message
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`RING discloses additional host computers joining the first message group by sending
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`control messages (¢.g., “update messages’) to the server indicating that they are joining the
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`message group created bythefirst player. RING at pp. 89.
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`CLAIM6
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`The method of claim 1 wherein said network is Internet and said server
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`communicates with said plurality of host computers using a session layer
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`protocol.
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`RINGdiscloses the method of claim 1 wherein the network is the Internet (¢.g., a wide-
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`area network”’) and the server communicates with a plurality of host computers (e.g., “client
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`workstations”) using a session layer protocol because RING discloses UDP/IP and application
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`layer protocols that include session layer functionality. RING at Abstract, pp. 85, 86, 87, 89, 90,
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`91 and Fig. 11. The wide-area network disclosed by RING includesthe Internet because RING
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`uses the UDP/IP protocol, which is a memberofthe Internet Protocol Suite, the set of network
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`protocols used for the Internct. RING at pp. 89, 85 and Fig. 11.
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`F,
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`CLAIMS1, 2 AND 4-6 ARE RENDERED OBVIOUS BY RING IN VIEW OF VAN HOOK
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`UNDER35 U.S.C. § 103
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`Please see the attached Exhibit CC-F presenting claim charts for comparison of RING in
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`view of Van Hook with claims 1, 2 and 4-6 of the ‘523 patent.
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`Reasons to Combine:
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`RINGdiscloses communicating messages over a network. RING at Figs. 5 and 7, pp. 88,
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`87 and 91. RING doesnot disclose aggregating payloads into a single aggregated message, but
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`Van Hook discloses aggregating group messages into a single packet by bundling the packets.
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`Van Hook at 2. Van Hook states that “[t]he dominant effect of bundling is to reduce packet
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`rates. Additionally, bundling reduces bit rates because fewer packet headers are sent.”
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`Id.
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`46
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 244
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`Petitioner Riot Games, Inc. - Ex. 1005, p. 244
`
`

`

`Therefore, one of ordinary skill in the art would have looked to Van Hook to aggregate group
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`messagesin order to reduce bit rates and increase the network efficiency of RING.
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`CLAIM1
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`A method for providing group messages to a plurality of host computers
`connected over a unicast wide area communication network, comprising the
`steps of:
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`RING discloses a method for providing group messages(e.g., “update messages”) to a
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`plurality of host computers (e.g., “client workstations”) connected over RING’s unicast wide-
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`area communication network. RING at Abstract, pp. 85, 86, 90 and 91.
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`providing a group messaging server coupled to said network, said server
`communicating with said plurality of host computers using said unicast
`network and maintaining a list of message groups, each message group
`containing at least one host computer;
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`RING discloses providing a group messaging server coupled to the network, (e.g.,
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`RING’s unicast wide-area communication network), wherein the server communicates with the
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`plurality of host computers (e.g., “client workstations”) using the unicast network and
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`maintaining a list of message groups. RING at Figs. 5 and 7, pp. 88, 87 and 91. As illustrated in
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`Figure 7 (reproduced below), for example, RING discloses that clients A and C belongto client
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`B’s message group, and therefore this particular message group contains at
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`least one host
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`computer, or client workstation, including A, B and C. RINGatFig. 7.
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`CHant B
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`ie
`Figure 7: Ply of apdate mewsages (labeted aroswe3 for «
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`Atos ta entities A, B,C, age
`arsanged in a virtnel sevinun-
`mesh as skowr: is Figsre 4,
`Figure 7 of RING at p. 88.
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`47
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 245
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`

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`Message groups can consist of all clients connected to RING servers, or clients that are
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`visible to each other and can send messages to each other. RING at pp. 87-88. A server, such as
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`server Y in Figure 7, maintains a list of message groups, as “servers keep track of which cells
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`contain which entities by exchanging ‘periodic’ update messages when entities cross cell
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`boundaries,” and thus becomevisible to other clients. RING at p. 87.
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`sending, by a plurality of host computers belonging to a first message group,
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`messages to said server via said unicast network, said messages containing a
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`payload portion and a portion for identifying said first message group;
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`RING discloses sending, by a plurality of host computers (e.g., “client workstations’)
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`belonging to a first message group (i.e. other clients participating in the same distributed
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`simulation and in the samecell), messages to the server via the unicast network. RING at pp. 87
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`and 91. The messages(¢.g., “update messages”) contain 40 bytes, and consist of a portion for
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`identifying a first message group, such as an “entity-ID” as well as a payload portion containing
`39
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`message information such as “target-position,”
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`“positional-vclocity,” and
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`“rotational velocity.”” RINGat pp. 87, 89, 91 and Fig. 5. While the entity-ID does not explicitly
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`indicate a particular message group, it is used by the server “for identifying” the group (e.g.,
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`“cell”) to which the message should be transmitted. RING at p. 87 (“[SJervers keep track of
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`which cells contains which entities by exchanging “periodic” update message whenentities cross
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`cell boundaries. Real-time update messages are propagated only to servers and client containing
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`entities inside some cell visible to the one containing the updated entity.””)
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`aggregating, by said server in a time interval determined in accordance with
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`a predefined criterion, said payload portions of said messages to create an
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`aggregated payload;
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`While RING docs not explicitly disclosc aggregating, Van Hook discloses agercgating
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`(e.g., “bundling”’), by said server (e.g, “Application Gateway”)(AG)
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`in a time interval
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`determined in accordance with a predefined criterion (“maximum packet size” or “maximum
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`time”) payload potions of said messages (e.g., “Data messages, called protocol data units
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`(PDUs)’) to create an aggregated payload (e.g., “bundled PDU”’). Van Hookat pp. 2 and 7.
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`Similarly, RING uses message groups like those of Van Hook (e.g., participants in
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`proximity with each other) when processing what information should be sent to servers and
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`clients. RING at p. 87. Therefore, it would have been obviousto one ofskill in the art to use the
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`teaching of aggregating message payloads from clients based on the bundling of messages
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`48
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 246
`
`Petitioner Riot Games, Inc. - Ex. 1005, p. 246
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`

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`disclosed in Van Hook to aggregate update message payloads in RING to increase network
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`efficiency.
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`forming an aggregated message using said aggregated payload; and
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`While RING doesnot explicitly disclose forming an aggregated message, it teaches thatit
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`is advantageous to aggregate (e.g., “augment’’) a client message payload (e.g., an "update
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`message”) with “Add” and “Remove” messages. RING atp. 88 (“As entities move through the
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`environment, servers augment update messages with ‘Add’ and ‘Remove’ messages notifying
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`clients that remote entities have becomerelevant or irrelevant to the client’s local entities.”).
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`Moreover, Van Hook discloses forming an aggregated message (¢.g., “bundled PDU”’)
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`using said aggregated payload. Van Hookatpp. 2.
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`transmitting, by said server via said unicast network, said aggregated
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`messageto a recipient host computer belonging to said first message group.
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`RING,
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`in view of Van Hook, discloses transmitting, by said server via said unicast
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`network, said aggregated message to a recipient host computer (e.g., “client workstation’)
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`belonging to said first message group. RING at pp. 87 and 91. More specifically, “RING routes
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`each one through at least one server and possibly two.” RINGat p. 88. According to RING,
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`client workstations belong to the first message group if they participate in the same distributed
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`simulation or are visible to each other. RING at p. 87.
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`Moreover, Van Hook discloses transmitting said aggregated message (e.g., “bundled
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`PDU”) onto the WAN. Van Hook at 7. The other AGs on the WANreceive the aggregated
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`message (¢.g., “bundled packet”’), unbundle it, and determine which hosts in the group (e.g., “cell
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`set,” “Force ID” or “Exercise ID”) should receive the PDU. The AG then transmits the PDUs
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`individually to those recipient host computer in the group(e.g., “cell set”). Van Hook at Figures
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`1 and 5; pp. 1, 2, 4, 6, 7.
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`The recipient host computer does not receive the aggregated message (e.g., “bundled
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`PDU”) because it us unbundled by an AG after being received from the WAN andbefore being
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`retransmitted to the host computer over the LAN. Van Hookat 7, section 4.6. Nevertheless,
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`Requester submits that the broadest reasonable interpretation of this element does not require
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`receiving, by a recipient host computer, said aggregated message.
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`Instead,
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`the step of
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`“transmitting said aggregated message...” is performed when the AG transmits the bundled PDU
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`49
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 247
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`Petitioner Riot Games, Inc. - Ex. 1005, p. 247
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`

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`out onto the WAN, even though the packet may be de-aggregated prior to being received by the
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`recipient host computer.
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`CLAIM 2
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`The method of claim 1 wherein said time intervalis a fixed period of time.
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`RING discloses the method of claim 1 wherein said time interval is a fixed period of
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`time. RING at Abstract, pp. 85, 86, 87, 90 and 91.
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`messages are exchanged byservers periodically, indicating messages are exchanged at fixed,
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`regular intervals of time. RING at p. 87. Moreover, Van Hook discloses aggregation of packets
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`(e.g., “packets may be bundled together”) to avoid overloading computers. Van Hook at pp. 2
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`The methodof claim 1 further comprising the step of creating, by one of said
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`plurality of host computers, said first message group by sending a first
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`control message to said server via said unicast network.
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`RINGdiscloses creating the first message group by sendinga first control message to the
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`server by the unicast network; for example, when a first player enters a “hexagonal shapedcell,”
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`they create a message group consisting of the first player and when other players enter the same
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`“hexagonal shaped cell,” they join the message group created bythe first player. RING at p. 90-
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`91. More specifically, the server creates the "hexagonal shaped cell,” but the first player entering
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`the cell creates the first message group, which comprises the players in the cell.
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`/d. Therefore,
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`RINGdiscloses the creation of the first message group when people enter the “hexagonal shaped
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`CLAIMS
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`The method of claim 4 further comprising the step of joining, by someof said
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`plurality of host computers, said first message group by sending control
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`messages via said unicast network to said server specifying said first message
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`RING discloses additional host computers joining the first message group by sending
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`control messages (¢.g., “update messages’) to the server indicating that they are joining the
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`message group created bythefirst player. RING at pp. 89.
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`50
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 248
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`Petitioner Riot Games, Inc. - Ex. 1005, p. 248
`
`

`

`CLAIM 6
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`The method of claim 1 wherein said network is Internet and said server
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`communicates with said plurality of host computers using a session layer
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`RING discloses the method of claim 1 wherein the network is the Internet (¢.g., a wide-
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`area network’) and the server communicates with a plurality of host computers (¢.g., “client
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`workstations”) using a session layer protocol because RING discloses UDP/IP and application
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`layer protocols that include session layer functionality. RING at Abstract, pp. 85, 86, 87, 89, 90,
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`91 and Fig. 11. The wide-area network disclosed by RING includesthe Internet, because RING
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`uses the UDP/IP protocol, which is a memberof the Internet Protocol Suite, the set of network
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`protocols used for the Internet. RING at 89, 85, Fig. 11.
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`VI. CONCLUSION
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`The prior art documents presented in the above Request were cither not previously
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`considered by the Office during prosecution of the ‘523 patent, or are now being presented in a
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`new light pursuant to MPEP § 2242 (IT). None ofthe six claims of the ‘523 patent are patentable
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`over the prior art documents cited herein alone or in combination. While Requester has put forth
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`various combinations of the prior art, numerous other combinations are possible. The prior art
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`documents teach the subject matter of the ‘523 patent in a manner such that substantial new
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`questions of patentability for all six claims of the ‘523 patent are raised by this Request.
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`In view of the foregoing, it is respectfully submitted that substantial new questions of
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`patentability of Claims 1-6 of Patent No. 5,822,523 are raised by this Request. Accordingly, the
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`Office is requested to grant this Request and to initiate reexamination with special dispatch.
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`Claims 1-6 should be reexamined, rejected under 35 U.S.C. §§ 102-103, and canceled pursuant
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`to this Request.
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`As an aid to the application of the presented prior art to claims of the ‘523 patent,
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`corresponding claim charts are attached hereto.
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`Enclosed is a credit card authorization to cover the fee for reexamination.
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`If this
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`authorization is missing or defective, please charge the fee to the Novak Druce Deposit Account
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`No. 14-1437.
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`51
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 249
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`Petitioner Riot Games, Inc. - Ex. 1005, p. 249
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`

`

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`Respectfully submitted,
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`NOVAK DRUCE + QUIGG, LLP
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`1000 LouisianaSt.
`53” Floor
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`Houston, Texas 77002
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`__{TracyW.Druce/
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`P: 713-571-3400
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`Novak Druce & Quigg, LLP
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`F: 713-456-2836
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`Tracy W. Druce
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`Reg. No. 35,493
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`James P. Murphy
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`Reg. No. 55,474
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`Lissi Mojica-Marquis
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`Reg. No. 63,421
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`52
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 250
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`Petitioner Riot Games, Inc. - Ex. 1005, p. 250
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`

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`7810753
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`Confirmation Number:
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`Title of Invention:
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`SERVER-GROUP MESSAGING SYSTEM FOR INTERACTIVE APPLICATIONS
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`First Named Inventor/Applicant Name:
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`Daniel J. Samuel
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`Correspondence Address:
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`Electronic Acknowledgement Receipt
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`Tracy Wesley Druce/Kevin Greenleaf
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`Receipt Date:
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`14-JUN-2010
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`Filing Date:
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`Paymentinformation:
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`File Listing:
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 251
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`Petitioner Riot Games, Inc. - Ex. 1005, p. 251
`
`

`

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`523_ex_parte_reexam_52pqs.
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`10e018d7eec6dbcd0c5770099ad06cda1fc]
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`371450
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`Receipt of Corrected Original Ex Parte
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`Request
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`This Acknowledgement Receipt evidences receipt on the noted date by the USPTOof the indicated documents,
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`characterized by the applicant, and including page counts, where applicable. It serves as evidenceof receipt similar toa
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`Post Card, as described in MPEP 503.
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`New Applications Under 35 U.S.C. 111
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`If a new application is being filed and the application includes the necessary componentsfor a filing date (see 37 CFR
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`1.53(b)-(d) and MPEP 506), a Filing Receipt (37 CFR 1.54) will be issued in due course and the date shownon this
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`Acknowledgement Receiptwill establish thefiling date of the application.
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`If a timely submission to enter the national stage of an international application is compliant with the conditions of 35
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`U.S.C. 371 and other applicable requirements a Form PCT/DO/EO/903indicating acceptance of the application as a
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`national stage submission under 35 U.S.C. 371 will be issued in addition to the Filing Receipt, in due course.
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`New International Application Filed with the USPTO as a Receiving Office
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`If a new international application is being filed and the international application includes the necessary componentsfor
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`an international filing date (see PCT Article 11 and MPEP 1810), a Notification of the International Application Number
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`and of the International Filing Date (Form PCT/RO/105)will be issued in due course, subject to prescriptions concerning
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`national security, and the date shown on this Acknowledgement Receiptwill establish the international filing date of
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 252
`
`Petitioner Riot Games, Inc. - Ex. 1005, p. 252
`
`

`

`
`Applicant(s)/Patent Under
`Reexamination
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`Application Number|90/011,033 5,822,523
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`UU
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`Application/Contro! No.
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`aa3992
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`U.S. Patent and Trademark Office
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`Part of Paper No.: 20100627
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 253
`
`Petitioner Riot Games, Inc. - Ex. 1005, p. 253
`
`

`

`Application/Control No.
`
`Index of Claims
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`90011033
`
`Applicant(s)/Patent Under
`Reexamination
`
`5,822,523
`
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`
`“Rejected
`= Allowed
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`|
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`U.S. Patent and Trademark Office
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`Part of Paper No, : 20100627
`
`Petitioner Riot Games, Inc. - Ex. 1005, p. 254
`
`

`

`Application/Control No.
`Applicant(s)/Patent Under Reexamination
`Issue Classification|9931933
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`war
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`3992
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`.
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`ORIGINAL
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`-
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`INTERNATIONAL CLASSIFICATION
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`5,822,523
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`O.G.Print Figure (Primary Examiner)
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`CLASS susciass|__cLameD NON-CLAIMED
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`fasSSCSC—CsdmoCSSCSC~*
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`CROSS REFERENCE(S)
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`°5aan
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`oO
`Claims renumbered in the sameorderas presented by applicant
`o
`[Fit|oncina[Frot_|oan[rat|Ovcina[Fina!|vain|Feat|
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`(Assistant Examiner)
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`U.S. Patent and Trademark Office
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`Total Claims Allowed:
`
`O.G.Print Claim(s)
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`(Date)
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`:
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`Part of Paper No. 20100627
`
`Petitioner Riot Games,Inc. - Ex. 1005, p. 255
`
`

`

`Reexamination
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`|
`ll
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`Application/Control No.
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`90011033
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`| Kl Ce
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`Applicant(s)/Patent Under
`Reexamination
`5,822,523
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`Requester CorrespondenceAddress:
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`(Patent Owner
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`& Third Party
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`NOVAK DRUCE & QUIGG, LLP
`(NDQ REEXAMINATION GROUP)
`1000 LOUISIANA STREET,FIFTY-THIRD FLOOR
`HOUSTON, TX 77002
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`examinerinitials
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`date Z
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`DirectorInitials
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`COPENDING OFFICE PROCEEDINGS
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`TYPE OF PROCEEDING .-
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`U.S. Patent and Trademark Office
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`DOC. CODE RXFILJKT
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`Petitioner Riot Games, Inc. - Ex. 1005, p. 256
`
`

`

`Search Notes
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`90011033
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`Application/Control No.
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`Applicant(s)/Patent Under
`Reexamination
`
`5,822,523 MAI
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`|Class|Subclass
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`[395——~—*«| 200.170 eeee
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`|SearchNotes|ate|Examiner_|
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`a
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`SEARCH NOTES
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`INTERFERENCE SEARCH
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`|Class|Subclass|e|Examiner|
`pT
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`U.S. Patent and Trademark Office
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`Part of Paper No. : 20100627
`
`Petitioner Riot Games, Inc. - Ex. 1005, p. 257
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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`OQCHONALUA
`Bib Data Sheet
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`SERIAL NUMBER
`90/011,033
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`APPLICANTS
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`FILING OR 371(c)
`DATE
`06/14/2010
`RULE
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`Page | of 1
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`UNITED STATES DEPARTMENT OF COMMERCE
`United States Patent and Trademark Office
`30
`Address. COMMISBIONER FOR PATENTS
`Alexandria, Virginia 22313-1450
`Www.urpto.gov
`CONFIRMATION NO.1686
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`GROUP ART UNIT
`3992
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`ATTORNEY
`DOCKET NO.
`18830.0003
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`Q) credit
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`FILINGFEE |FEES:Authority has been givenin Paper
`RECEIVED No.
`to charge/credit DEPOSIT ACCOUNT
`————-— fo" following:
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`5,822,523, Residence Not Provided;
`PALTALK HOLDINGS, INC. (OWNER), NEW YORK,NY;
`NOVAK DRUCE & QUIGG LLP (3RD PTY. REQ.), HOUSTON, TX;
`NOVAK DRUCE & QUIGG, LLP, HOUSTON, TX
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`** CONTINUING DATA *****#*tttttexieanasanann
`This application is a REX of 08/595,323 02/01/1996 PAT 5,822,523
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`* FOREIGN APPLICATIONS *****#*s*####0s08000
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`C yes Q no
`Foreign Priority claimed
`85 USC 119 (a-d) conditions C) yes C) no C) metafter
`met
`Allowance
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`STATE OR
`COUNTRY
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`Examiner's Signature
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`Initials
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`ADDRESS
`26137
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`ITLE
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`ERVER-GROUP MESSAGING SYSTEM FORINTERACTIVE APPLICATIONS
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`L) 1.18 Fees ( Issue )
`QO Other
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`Petitioner Riot Games, Inc. - Ex. 1005, p. 258
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`ARTIFACT SHEET
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`Enter artifact number below. Artifact numberis application number +
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`artifact folder for an artifact type receives the letter A, the second B,etc..
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`Examples: 59123456PA, 59123456PB, 59123456ZA, 59123456ZB
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`Indicate quantity of a single typeof artifact received but not scanned. Create
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`individual artifact folder/box and artifact number for each Artifact Type.
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`computer program listing
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`pages of specification
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`Other, description:
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`Doc Code: Artifact Artifact Type Code: Z
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`March 8, 2004
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`Petitioner Riot Games,Inc. - Ex. 1005, p. 259
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`Petitioner Riot Games, Inc. - Ex. 1005, p. 259
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`Total Assignments: 9
`Patent #: 5822523
`Application #: 08595323
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`Publication #: NONE
`PCT #: NONE
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`Inventors: DANIEL J. SAMUEL, MARC P. KWIATKOWSKI, JEFFREY J. ROTHSCHILD
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`Title: SERVER-GROUP MESSAGING SYSTEM FOR INTERACTIVE APPLICATIONS
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`Assignment: 1
`Reel/Frame:
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`007861/0413Received: 04/03/1996 Recorded: 02/01/1996 Mailed: 06/19/1996 Pages: 4
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`ASSIGNMENT OF ASSIGNORSINTEREST (SEE DOCUMENTFOR DETAILS}.
`Conveyance:
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`SAMUEL, DANIEL JOSEPH
`Assignors:
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`KWIATKOWSKI, MARC PETER
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`ROTHSCHILD, JEFFREY JACKIEL
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`MPATH INTERACTIVE,
`INC.
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`10455-A BANDLEY DRIVE
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`CUPERTINO, CALIFORNIA 95014
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`WILSON, SONSINI, GOODRICH & ROSATI
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`H. C. CHAN
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`650 PAGE MILL ROAD
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`PALO ALTO, CA 94304-1050
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`Assignment: 2
`Reel/Frame:
`009360/0653 Received: 08/10/1998
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`SECURITY AGREEMENT
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`INTERACTIVE,
`INC.
`MPATH
`Exec Dt: 07/29/1998
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`GREYROCK BUSINESS CREDIT, A DIVISION OF NATIONSCREDIT COMMERCIAL CORPORATION
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`10880 WILSHIRE BOULEVARD, SUITE 950
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`LOS ANGELES, CALIFORNIA 90024
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`LEVY, SMALL & LALLAS
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`ATTN: KATHYRN GAMBINO
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`815 MORAGA DRIVE
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`LOS ANGELES, CA 90049-1633
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`Assignment: 3
`Reel/Frame:
`Recorded: 08/09/2000
`740
`01103
`Received: 09/07/2000
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`CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
`Conveyance:
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`Assignor:
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`MPATH INTERACTIVE,
`INC.
`HEARME
`Assignee:
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`665 CLYDE AVENUE.
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`MOUNTAIN VIEW, CALIFORNIA 94043
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`STERNE, KESSLER, GOLDSTEIN & FOX PLLC
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`MICHAELB. RAY
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`1100 NEW YORK AVE., N.W.
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`SUITE 600
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`WASHINGTON, DC 20005-3934
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`Assignment: 4
`Reel/Frame:
`/0198
`011164
`Received: 10/23/2000
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`RELEASE OF SECURITY INTEREST
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`GREYROCKBUSINESS CREDIT
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`MPATHINTERACTIVE,
`INC.
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`665 CLYDE AVENUE
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`MOUNTAIN VIEW, CALIFORNIA 94043
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`STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C
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`MICHAEL B. RAY
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`1100 NEW YORKAVE., N.W.
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`Assignee:
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`Correspondent:
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`Conveyance:
`Assignor:
`Assignee:
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`Correspondent:
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`Correspondent:
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`Conveyance:
`Assignor:
`Assignee:
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`Correspondent:
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`=
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`Patent AssignmentAbstractof Title
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`Filing Dt: 02/01/1996
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`Issue Dt: 10/13/1998
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`Pub Dt:
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`Exec Dt: 01/30/1996
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`Exec Dt: 01/30/1996
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`Exec Dt: 01/30/1996
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`Recorded: 08/10/1998
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`Mailed: 12/11/1998
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`Pages: 11
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`‘
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`Mailed: 12/05/2000
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`Pages: 7
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`Exec Dt: 01/0