Assignee
PHONE MATE INC
3 granted patents·40 citations·filing 1976–1983
Top patents by PatentIndex Score
3 records- 0186USD284368STelephone answering machinePHONE MATE INC·Filed 1983·Granted Jun 24, 1986·22 cites·1 claims
- 0257US4114834ATape drive system and one-way clutch mechanismPHONE MATE INC·Filed 1976·Granted Sep 19, 1978·10 cites·7 claims
- 0348US4198544ATape head control arrangementPHONE MATE INC·Filed 1977·Granted Apr 15, 1980·8 cites·19 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →