William H. Gravert

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Port Washington, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Device for determining physical qualities of pressurized container...
- Patent number 4,318,227
- Issue date Mar 9, 1982
- Marine Moisture Control Company, Inc.
- William H. Gravert
- G01 - MEASURING TESTING
Information Patent Grant
Portable device for determining physical qualities of pressurized c...
- Patent number 4,226,023
- Issue date Oct 7, 1980
- Marine Moisture Control Company, Inc.
- William H. Gravert
- G01 - MEASURING TESTING
Information Patent Grant
Ullage measuring device
- Patent number 4,123,753
- Issue date Oct 31, 1978
- Marine Moisture Control Company, Inc.
- William H. Gravert
- G01 - MEASURING TESTING