`
`In re Patent of:
`U.S. Patent No.:
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
`
`James M. Barton, et al.
`6,233,389
`May 15, 2001
`09/126,071
`July 30, 1998
`MULTIIVHEDIA TIl\/H3 WARPING SYSTEM
`
`Attorney Docket No.: 39843-003 7IP1
`
`Mail Stop Patent Board
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`
`Alexandria, VA 22313-1450
`
`PETITIONER’S POWER OF ATTORNEY IN POST GRANT PROCEEDINGS BEFORE
`THE PATENT TRIAL AND APPEAL BOARD
`
`Petitioners, Samsung Electronics Co., Ltd., and Samsung Electronics America, Inc,
`
`hereby appoint the following practitioners as its attorneys to transact all business in the United
`
`States Patent & Trademark Office associated with any inter partes review, covered business
`
`method review, post grant review, or other review proceedings before the Patent Trial and
`
`Appeal Board of the above-captioned patent:
`
`W. Karl Renner, Reg. No. 41,265
`
`Tim Riffe, Reg. No. 43,881
`
`Jeremy Monaldo, Reg. No. 58,680
`
`and all practitioners associated with PTO Customer Number 26171.
`
`I have the authority to execute this document on behalf of Samsung Electronics Co., Ltd.
`
`and Samsung Electronics America, Inc.
`
`Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc.