Hugh S. Carrothers

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Chatham, CA

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Patents Grantslast 30 patents

Information Patent Grant
Electric vacuum regulator valve for use with automotive emissions c...
- Patent number D291807
- Issue date Sep 8, 1987
- Canadian Fram Limited
- Kwang Yew
- D15 - Machines not elsewhere specified
Information Patent Grant
Electric vacuum regulator valve for use with automatic emissions co...
- Patent number D289401
- Issue date Apr 21, 1987
- Canadian Fram Limited
- Kwang Yew
- D15 - Machines not elsewhere specified