Harold Gregg

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Petaluma, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Shoreline air compressors wherein swell water pumps the air
- Patent number 4,022,549
- Issue date May 10, 1977
- Harold Gregg
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...