Duke Fox

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Ft. Smith, AR, US

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Patents Grantslast 30 patents

Information Patent Grant
Porting system for two cycle internal combustion engines
- Patent number 4,638,770
- Issue date Jan 27, 1987
- Duke Fox
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Model airplane engine
- Patent number 4,523,557
- Issue date Jun 18, 1985
- Duke Fox
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS