Assignee

COMEX SYSTEMS INC

2 granted patents·25 citations·filing 1975–1995

Technology mixH04Q2 H04M1

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2 records

0180US4055730ACircuit for detecting dial pulsesCOMEX SYSTEMS INC·Filed 1975·Granted Oct 25, 1977·20 cites·25 claims
0233US5729602AProgrammable multi-tone voice message starting systemCOMEX SYSTEMS INC·Filed 1995·Granted Mar 17, 1998·5 cites·2 claims

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