Inventor · disambiguated record
Frank Frielingsdorf
Also filed as: FRIELINGSDORF FRANK · FRIELINGSDORF FRANK J
6 granted patents·169 citations·filing 1977–1990
84Inventor score
Top patents by PatentIndex Score
6 records- 0187USD266244SCollapsible headsetPICKERING & CO INC·Filed 1979·Granted Sep 21, 1982·21 cites·1 claims
- 0286US5054079ABone conduction microphone with mounting meansSTANTON MAGNETICS·Filed 1990·Granted Oct 1, 1991·106 cites·10 claims
- 0358US5163093AMicrophone mounting for a person's neckSTANTON MAGNETICS·Filed 1990·Granted Nov 10, 1992·33 cites·15 claims
- 0444US4153257ARecord stamper playback turntablePICKERING & CO INC·Filed 1977·Granted May 8, 1979·5 cites·6 claims
- 0533USD278147SPhonograph cartridgePICKERING & CO INC·Filed 1983·Granted Mar 26, 1985·1 cites·1 claims
- 0632US4166625AAutomatic stop for turntable tone armPICKERING AND·Filed 1978·Granted Sep 4, 1979·3 cites·6 claims
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