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Inventors

RALPH CARLSEN JAMES F. DAY

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AT&T IPM CORP.

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AT&T CORP., Assignor

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08/277,450 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)

Filed July 19, 1994

Examiner SCOTT WOLINSKY

Class 379

Art Group 2601

Patent No. 5,515,427

Case Type Utility - 379/220000

Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362

Last Updated: 5 years, 1 month ago

Date	#	Transaction
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08/277,450 | U.S. Patent Application

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