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Waterwheel-driven generating unit
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Patent number 5,440,175
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Issue date Aug 8, 1995
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Howard A. Mayo
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Adjustable draft tube
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Patent number 4,599,854
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Issue date Jul 15, 1986
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Allis-Chalmers Corporation
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Howard A. Mayo
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Laterally movable powerhouse
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Patent number 4,573,827
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Issue date Mar 4, 1986
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Allis-Chalmers Corporation
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Howard A. Mayo
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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