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3778193
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Patent number 3,778,193
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Issue date Dec 11, 1973
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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3486527
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Patent number 3,486,527
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Issue date Dec 30, 1969
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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3465650
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Patent number 3,465,650
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Issue date Sep 9, 1969
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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3382770
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Patent number 3,382,770
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Issue date May 14, 1968
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3323422
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Patent number 3,323,422
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Issue date Jun 6, 1967
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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3322039
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Patent number 3,322,039
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Issue date May 30, 1967
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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3196753
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Patent number 3,196,753
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Issue date Jul 27, 1965
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...