Harold G. Inhofer

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Hopkins, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Aeration propeller and apparatus
- Patent number 4,240,990
- Issue date Dec 23, 1980
- Aeration Industries, Inc.
- Harold G. Inhofer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Leveling valve
- Patent number 3,964,504
- Issue date Jun 22, 1976
- Integrated Power, Incorporated
- Harold G. Inhofer
- B66 - HOISTING LIFTING HAULING