Douglas A. Knight

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N. Tonawanda, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Children's ride-on vehicle with mechanical speed control
- Patent number 6,470,982
- Issue date Oct 29, 2002
- Mattel, Inc.
- Gerald P. Sitarski
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Children's ride-on vehicle with mechanical speed control
- Publication number 20020104695
- Publication date Aug 8, 2002
- Mattel, Inc.
- Gerald P. Sitarski
- B60 - VEHICLES IN GENERAL