Assignee

SHERIDAN JOHN

US·2 granted patents·103 citations·filing 1988–1990

Technology mixA63F1 H04M1 Y10S1

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2 records

0173US5128987ATelephone-responsive device for muting the sound output of a television setSHERIDAN JOHN·Filed 1990·Granted Jul 7, 1992·67 cites·26 claims
0272US4900027AGame scoring methodSHERIDAN JOHN·Filed 1988·Granted Feb 13, 1990·36 cites·3 claims

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