Richard A. Zirnheld

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Niagara Falls, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Operational-state responsive audiovisual systems
- Patent number 8,164,429
- Issue date Apr 24, 2012
- Mattel, Inc.
- Jeffrey W. Reynolds
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Children's ride-on vehicles having ground detection systems
- Patent number 7,938,218
- Issue date May 10, 2011
- Mattel, Inc.
- William R. Howell
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Children's ride-on vehicles having ground detection systems
- Patent number 7,591,335
- Issue date Sep 22, 2009
- Mattel, Inc.
- William R. Howell
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
OPERATIONAL-STATE RESPONSIVE AUDIOVISUAL SYSTEMS
- Publication number 20100026477
- Publication date Feb 4, 2010
- Jeffrey W. Reynolds
- B60 - VEHICLES IN GENERAL
Information Patent Application
CHILDREN'S RIDE-ON VEHICLES HAVING GROUND DETECTION SYSTEMS
- Publication number 20090321168
- Publication date Dec 31, 2009
- Mattel, Inc.
- William R. Howell
- B60 - VEHICLES IN GENERAL
Information Patent Application
Children's ride-on vehicles having ground detection systems
- Publication number 20080011527
- Publication date Jan 17, 2008
- William R. Howell
- B60 - VEHICLES IN GENERAL