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William S. Ginell
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Encino, CA, US
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last 30 patents
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Patent Grant
Helix coupling
Patent number
4,824,276
Issue date
Apr 25, 1989
The United States of America as represented by the United States Department o...
William S. Ginell
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...