Charles D. Oakley

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Lapeer, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug with grooved, tapered center electrode
- Patent number 5,821,676
- Issue date Oct 13, 1998
- General Motors Corporation
- Ray William Atchinson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Watertight exhaust gas sensor
- Patent number 5,423,972
- Issue date Jun 13, 1995
- General Motors Corporation
- Gamdur S. Mann
- G01 - MEASURING TESTING
Information Patent Grant
Copper core side electrode spark plug shell
- Patent number 4,931,686
- Issue date Jun 5, 1990
- General Motors Corporation
- Charles D. Oakley
- H01 - BASIC ELECTRIC ELEMENTS