John C. Hughes

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Coon Rapids, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum lockoff apparatus and method
- Patent number 5,509,393
- Issue date Apr 23, 1996
- Onan Corporation
- Curtis D. Leaf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Generator air flow and noise management system and method
- Patent number 5,433,175
- Issue date Jul 18, 1995
- Onan Corporation
- John C. Hughes
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS