David W. Kinkead

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Glendale, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for automatically maintaining a predetermined desired lev...
- Patent number 4,724,552
- Issue date Feb 16, 1988
- Aqua Systems, Inc.
- Clifford W. Kinkead
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method and apparatus for automatically maintaining a predetermined...
- Patent number 4,686,718
- Issue date Aug 18, 1987
- Aqua Systems, Inc.
- Clifford W. Kinkead
- F28 - HEAT EXCHANGE IN GENERAL