Inventor · disambiguated record

Donald F. Pettengill

Also filed as: PETTENGILL DONALD F

2 granted patents·207 citations·filing 1978–1979

71Inventor score

Technology areasA01K H01C

Files withRAYCHEM CORP2

Top patents by PatentIndex Score

2 records

0197US4238812ACircuit protection devices comprising PTC elementsRAYCHEM CORP·Filed 1978·Granted Dec 9, 1980·122 cites·63 claims
0296US4329726ACircuit protection devices comprising PTC elementsRAYCHEM CORP·Filed 1979·Granted May 11, 1982·85 cites·62 claims

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