David S. Howarth

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Rochester, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Gas sensor and method of fabricating same
- Patent number 4,668,374
- Issue date May 26, 1987
- General Motors Corporation
- Jayant K. Bhagat
- G01 - MEASURING TESTING
Information Patent Grant
Galvanic exhaust gas sensor with solid electrolyte
- Patent number 4,129,099
- Issue date Dec 12, 1978
- General Motors Corporation
- David S. Howarth
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS