United States Patent and Trademark Office, Patent Assignment 6401/423:
Change Of Name Effective On 10/15/1992

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Assignor
Assignee

International Mobile Machines Corporation
Paperwork Executed October 13, 1992

Transfer

Recorded
December 30, 1992

No Logo

Interdigital Communications Corporation

Interdigital Communications Corporation
709 Swedeland Road
P.O. Box 1539, Mail Stop: UW2220
King of Prussia, PA 19406-0939

Patents
Correspondent

Digital Time- Multiplexed Quadrature Frequency Upconverter

USX0Patent Application No. 07256420, Filed October 12, 1988

USB1Utility Patent No. 5101418, Issued March 31, 1992

Subscriber Unit For Wireless Digital Telephone System

USX0Patent Application No. 06893916, Filed August 7, 1986

USB1Utility Patent No. 4825448, Issued April 25, 1989

Wayne M. Kennard
Kenyon & Kenyon, LLP
ONE BROADWAY
NEW YORK N.Y. 10004

Updated August 30, 2007

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