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Power generation methods and systems
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Patent number 7,735,325
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Issue date Jun 15, 2010
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Research Sciences, LLC
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Frank Ruggieri
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Water boiler with metal core
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Patent number 6,158,396
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Issue date Dec 12, 2000
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Glowcore Acquisition Company, Inc.
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David Lackstrom
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F24 - HEATING RANGES VENTILATING
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Combustion powered cooling system
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Patent number 6,138,457
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Issue date Oct 31, 2000
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Applied Power Technology Incorporated
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David Lackstrom
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F28 - HEAT EXCHANGE IN GENERAL
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Water boiler with metal core
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Patent number 5,782,208
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Issue date Jul 21, 1998
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Glowcore Acquisition Company
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David Lackstrom
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F24 - HEATING RANGES VENTILATING
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High efficiency heat pump system
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Patent number 5,509,274
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Issue date Apr 23, 1996
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Applied Power Technologies Incorporated
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David Lackstrom
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F24 - HEATING RANGES VENTILATING