Assignee
CONFERTECH INT INC
US·2 granted patents·106 citations·filing 1983–1990
Technology mixH04M2
Top patents by PatentIndex Score
2 records- 0178US4541087ADigital teleconferencing control device, system and methodCONFERTECH INT INC·Filed 1983·Granted Sep 10, 1985·53 cites·29 claims
- 0264US5054021ACircuit for nulling the talker's speech in a conference call and method thereofCONFERTECH INT INC·Filed 1990·Granted Oct 1, 1991·53 cites·16 claims
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