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R. Ashby Armistead

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PACKET-SWITCHED TELEPHONY WITH CIRCUIT-SWITCHED BACKUP

10/916,054 | U.S. Patent Application

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Location ELECTRONIC

Filed Aug. 9, 2004

Examiner JEFFREY M RUTKOWSKI

Class 370

Art Group 2416

Patent No. 7,668,158

Case Type Utility - 370/353000

Status Patented Case

Parent 09/304,032 Patented

Last Updated: 5 years, 2 months ago

Date	#	Transaction
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PACKET-SWITCHED TELEPHONY WITH CIRCUIT-SWITCHED BACKUP

10/916,054 | U.S. Patent Application

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