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Rotary power transducer system
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Patent number 4,691,513
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Issue date Sep 8, 1987
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James Gillilan
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Power transducer system
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Patent number 4,497,173
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Issue date Feb 5, 1985
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James Gillilan
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Power generating system
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Patent number 4,086,765
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Issue date May 2, 1978
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James Gillilan
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...