Roger V. Lewis

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N. Huntingdon, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spring applied parking brake assembly having a manual quick release...
- Patent number 6,378,668
- Issue date Apr 30, 2002
- Westinghouse Air Brake Company
- James M. Zemyan
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Manual empty/load device
- Patent number 6,027,180
- Issue date Feb 22, 2000
- Westinghouse Air Brake Company
- William G. Greenaway
- B60 - VEHICLES IN GENERAL