Inventor · disambiguated record
Richard A. Zirnheld
Also filed as: ZIRNHELD RICHARD A
6 granted patents·78 citations·filing 1988–2009
84Inventor score
Top patents by PatentIndex Score
6 records- 0182US7591335B2Children's ride-on vehicles having ground detection systemsMATTEL INC·Filed 2006·Granted Sep 22, 2009·15 cites·31 claims
- 0278US7938218B2Children's ride-on vehicles having ground detection systemsMATTEL INC·Filed 2009·Granted May 10, 2011·11 cites·24 claims
- 0364US8164429B2Operational-state responsive audiovisual systemsREYNOLDS JEFFREY W·Filed 2009·Granted Apr 24, 2012·11 cites·18 claims
- 0454US5254968AElectrically conductive plastic speed control resistor for an automotive blower motorGEN MOTORS CORP·Filed 1992·Granted Oct 19, 1993·22 cites·9 claims
- 0544US5291174ACeramic substrate blower motor resistor arrayGEN MOTORS CORP·Filed 1993·Granted Mar 1, 1994·14 cites·4 claims
- 0636US4864915AVacuum operated actuatorGEN MOTORS CORP·Filed 1988·Granted Sep 12, 1989·5 cites·3 claims
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