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Modular current power apparatus
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Patent number 4,292,535
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Issue date Sep 29, 1981
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Richard E. Diggs
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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High efficiency wind power machine
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Patent number 4,186,314
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Issue date Jan 29, 1980
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Richard E. Diggs
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Adjustable jib crane
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Patent number 4,096,952
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Issue date Jun 27, 1978
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Richard E. Diggs
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B66 - HOISTING LIFTING HAULING
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Rolling electric fence
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Patent number 4,078,771
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Issue date Mar 14, 1978
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Richard E. Diggs
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Fruit and nut harvester
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Patent number 4,077,193
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Issue date Mar 7, 1978
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Richard E. Diggs
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Modular hydroelectric power plant
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Patent number 4,053,787
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Issue date Oct 11, 1977
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Richard E. Diggs
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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High capacity loader blade
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Patent number 4,051,614
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Issue date Oct 4, 1977
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Richard E. Diggs
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Tidewater power plant
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Patent number 4,039,847
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Issue date Aug 2, 1977
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Richard E. Diggs
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Aircraft parachute system
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Patent number 4,033,528
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Issue date Jul 5, 1977
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Richard E. Diggs
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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Tree hedging arrangement
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Patent number 4,031,695
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Issue date Jun 28, 1977
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Richard E. Diggs
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Solar power system
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Patent number 4,030,890
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Issue date Jun 21, 1977
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Richard E. Diggs
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F24 - HEATING RANGES VENTILATING
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Irrigation apparatus
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Patent number 4,017,958
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Issue date Apr 19, 1977
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Richard E. Diggs
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...