Inventor · disambiguated record
John C. Corfield
Also filed as: CORFIELD JOHN C · CORFIELD JOHN COURTNEY
4 granted patents·44 citations·filing 1976–1986
75Inventor score
Files withUNIMAX SWITCH LTD4
Top patents by PatentIndex Score
4 records- 0163US4114001AElectrical switch having interlock between door and switchUNIMAX SWITCH LTD·Filed 1976·Granted Sep 12, 1978·19 cites·27 claims
- 0253US4289001AKey-operated device for access control systemUNIMAX SWITCH LTD·Filed 1980·Granted Sep 15, 1981·15 cites·7 claims
- 0349US4072841AElectrical switchesUNIMAX SWITCH LTD·Filed 1976·Granted Feb 7, 1978·7 cites·12 claims
- 0428US4727644ACalibrating componentsUNIMAX SWITCH LTD·Filed 1986·Granted Mar 1, 1988·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →