Dale M. Needham

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Zion, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual fuel system for internal combustion engine
- Patent number RE32938
- Issue date Jun 6, 1989
- Outboard Marine Corporation
- David F. Haman
- 123 - Internal-combustion engines
Information Patent Grant
Dual fuel system for internal combustion engine
- Patent number 4,462,346
- Issue date Jul 31, 1984
- Outboard Marine Corporation
- David F. Haman
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS