Inventor · disambiguated record
Robert S. Sporzynski
Also filed as: SPORZYNSKI ROBERT S
5 granted patents·1 pending application·164 citations·filing 1988–2004
84Inventor score
Files withKELSEY HAYES CO5
Top patents by PatentIndex Score
6 records- 0190US5105917ADisc brake pistonKELSEY HAYES CO·Filed 1990·Granted Apr 21, 1992·47 cites·20 claims
- 0289US4930606ADisc brake rotorKELSEY HAYES CO·Filed 1988·Granted Jun 5, 1990·42 cites·13 claims
- 0386US6367598B1Rotor for disc brake assemblyKELSEY HAYES CO·Filed 2000·Granted Apr 9, 2002·25 cites·14 claims
- 0467US6142267ADisc brake rotorKELSEY HAYES CO·Filed 1996·Granted Nov 7, 2000·22 cites·20 claims
- 0563US5485678AApparatus and method for measuring the circularity and eccentricity of a brake drum while mounted upon a vehicleKELSEY HAYES CO·Filed 1994·Granted Jan 23, 1996·28 cites·24 claims
- 0639US2005109569A1Piston for disc brake assemblyFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →