Inventor · disambiguated record
Preston V. Murphy
Also filed as: LATOUR MIREILLE J · MURPHY PRESTON V
8 granted patents·361 citations·filing 1973–1989
90Inventor score
Top patents by PatentIndex Score
8 records- 0194US3963881AUnidirectional condenser microphoneTHERMO ELECTRON CORP·Filed 1973·Granted Jun 15, 1976·92 cites·21 claims
- 0285US4993072AShielded electret transducer and method of making the sameLECTRET SA·Filed 1989·Granted Feb 12, 1991·99 cites·9 claims
- 0377US4764690AElectret transducingLECTRET SA·Filed 1986·Granted Aug 16, 1988·79 cites·16 claims
- 0470US4170185APreventing marine foulingLECTRET SA·Filed 1978·Granted Oct 9, 1979·21 cites·6 claims
- 0559US4331840AElectret transducer with tapered acoustic chamberLECTRET SA·Filed 1980·Granted May 25, 1982·30 cites·1 claims
- 0647US4469920APiezoelectric film device for conversion between digital electric signals and analog acoustic signalsLECTRET SA·Filed 1983·Granted Sep 4, 1984·15 cites·2 claims
- 0747US4295010APlural piezoelectric polymer film acoustic transducerLECTRET SA·Filed 1980·Granted Oct 13, 1981·15 cites·15 claims
- 0841US4453044AElectro-acoustic transducer with plural piezoelectric filmLECTRET SA·Filed 1983·Granted Jun 5, 1984·10 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →