Inventor · disambiguated record
Peter J. Piotrowski
Also filed as: PIOTROWSKI PETER · PIOTROWSKI PETER J
9 granted patents·1 pending application·550 citations·filing 1977–2002
91Inventor score
Files withWILLIAMS ELECTRONICS GAMES INC4FENTON FRANCIS A1FENTON JR FRANCIS A1PEPSICO INC1THE BEN HOGAN COMPANY1
Top patents by PatentIndex Score
10 records- 0190US4165874AGolf club shaft and set of golf clubsPEPSICO INC·Filed 1977·Granted Aug 28, 1979·96 cites·7 claims
- 0288USD318512SGolf club headTHE BEN HOGAN COMPANY·Filed 1988·Granted Jul 23, 1991·42 cites·1 claims
- 0379US6129353AMethod of displaying video images projected from a video display of a pinball machineWILLIAMS ELECTRONICS GAMES INC·Filed 1999·Granted Oct 10, 2000·130 cites·21 claims
- 0479US5697612AJet bumper for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1995·Granted Dec 16, 1997·122 cites·13 claims
- 0570US6120021ALock-down bar release system for a pinball machineWILLIAMS ELECTRONICS GAMES INC·Filed 1999·Granted Sep 19, 2000·124 cites·16 claims
- 0643US2003079839A1Bent tip composite golf shaftFENTON FRANCIS A·Filed 2002·Application pending·0 cites
- 0742US6491778B1Bent tip composite golf shaftFENTON JR FRANCIS A·Filed 1999·Granted Dec 10, 2002·15 cites·3 claims
- 0837US5536082AGame playfield mounting systemWILLIAMS ELECTRONICS GAMES INC·Filed 1995·Granted Jul 16, 1996·10 cites·18 claims
- 0933US5913516AMultimode target with variable trajectory ball rampFiled 1998·Granted Jun 22, 1999·8 cites·18 claims
- 1028US5915693AJump rope play feature for a pinball gameFiled 1998·Granted Jun 29, 1999·3 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →