Assignee
BARTELINK E H B
4 granted patents·117 citations·filing 1978–1982
Technology mixH04M4
Top patents by PatentIndex Score
4 records- 0187US4196317ATelephone intercom systemBARTELINK E H B·Filed 1978·Granted Apr 1, 1980·44 cites·14 claims
- 0277US4390750ARemote supervisory systemBARTELINK E H B·Filed 1980·Granted Jun 28, 1983·37 cites·61 claims
- 0377US4232195ATelephone responder apparatusBARTELINK E H B·Filed 1978·Granted Nov 4, 1980·21 cites·13 claims
- 0461US4485273AIntercom adapter for telephonesBARTELINK E H B·Filed 1982·Granted Nov 27, 1984·15 cites·18 claims
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