Assignee
MELCO
6 granted patents·68 citations·filing 1975–1977
Top patents by PatentIndex Score
6 records- 0187US3976849ATelephone wiring testerMELCO·Filed 1975·Granted Aug 24, 1976·41 cites·8 claims
- 0269US4066846ACombined rotary dial and touch-tone telephone decoding systemMELCO·Filed 1976·Granted Jan 3, 1978·12 cites·18 claims
- 0350US4009354ASignalling device for key telephone systemsMELCO·Filed 1975·Granted Feb 22, 1977·5 cites·15 claims
- 0445US4044206ADigital decoder for multiple frequency telephone signallingMELCO·Filed 1976·Granted Aug 23, 1977·4 cites·16 claims
- 0545US3997734ATelephone hold attachmentMELCO·Filed 1975·Granted Dec 14, 1976·5 cites·7 claims
- 0624US4130737ATwo-link intercom systemMELCO·Filed 1977·Granted Dec 19, 1978·1 cites·23 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →