Ralph V. Wilhelm Jr.

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Flint, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Exhaust electrode process for exhaust gas oxygen sensor
- Patent number 4,303,490
- Issue date Dec 1, 1981
- General Motors Corporation
- Terry J. Gold
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Electrode sputtering process for exhaust gas oxygen sensor
- Patent number 4,253,931
- Issue date Mar 3, 1981
- General Motors Corporation
- Terry J. Gold
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Exhaust electrode process for exhaust gas oxygen sensor
- Patent number 4,244,798
- Issue date Jan 13, 1981
- General Motors Corporation
- Terry J. Gold
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...