Christopher J. Roberts

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Canton, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Piston with fluid sealing ridges
- Patent number 6,612,339
- Issue date Sep 2, 2003
- Kelsey-Hayes Company
- Westley J. Wilke
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Tapered noise attenuator for anti-lock braking system
- Patent number 5,921,636
- Issue date Jul 13, 1999
- Kelsey-Hayes Company
- Christopher J. Roberts
- B60 - VEHICLES IN GENERAL