Ralph S. Damon

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Cleveland, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Diesel fueled engine coolant heater
- Patent number 4,192,274
- Issue date Mar 11, 1980
- Ralph S. Damon
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Diesel fueled engine coolant heater
- Patent number 4,099,488
- Issue date Jul 11, 1978
- Hunter Investment Company
- Ralph S. Damon
- B60 - VEHICLES IN GENERAL