Curtis H. Knapp

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Aurora, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Liquid level control system for refrigeration apparatus
- Patent number 5,031,068
- Issue date Jul 9, 1991
- Hansen Technologies Corporation
- Charles C. Hansen
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Liquid level control system for refrigeration apparatus
- Patent number 4,809,129
- Issue date Feb 28, 1989
- Hansen Technologies Corporation
- Charles C. Hansen
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...