John K. Kopp

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Milwaukee, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Ice-thickness sensing device in refrigeration system
- Patent number 4,551,982
- Issue date Nov 12, 1985
- Vilter Manufacturing Corporation
- Erich J. Kocher
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Means to measure, indicate and regulate thickness of ice layer in r...
- Patent number 4,497,181
- Issue date Feb 5, 1985
- Vilter Manufacturing Corporation
- Erich J. Kocher
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...