Inventor · disambiguated record
Fredrick T. Cogan
Also filed as: COGAN FREDRICK T · COGAN FREDRICK THOMAS
4 granted patents·96 citations·filing 1977–1980
79Inventor score
Files withNORTHERN TELECOM LTD4
Top patents by PatentIndex Score
4 records- 0187US4163875ATelephone handset with transmitter having a one piece gasket for sealing and holding of transmitter membersNORTHERN TELECOM LTD·Filed 1978·Granted Aug 7, 1979·42 cites·7 claims
- 0270US4319095ATelephone handset transducer mountingNORTHERN TELECOM LTD·Filed 1980·Granted Mar 9, 1982·22 cites·18 claims
- 0368US4130740ATelephone handset with rotatably locking receiverNORTHERN TELECOM LTD·Filed 1978·Granted Dec 19, 1978·13 cites·15 claims
- 0461US4061411AMulti-outlet adaptor for plug-in telephonesNORTHERN TELECOM LTD·Filed 1977·Granted Dec 6, 1977·19 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →