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Solar water heater
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Patent number 6,763,826
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Issue date Jul 20, 2004
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Robert Gumm
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F24 - HEATING RANGES VENTILATING
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Solar system
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Patent number 4,644,933
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Issue date Feb 24, 1987
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Samuel T. Gregory
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F24 - HEATING RANGES VENTILATING
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Solar energy collector
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Patent number 4,611,576
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Issue date Sep 16, 1986
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Ceacer O. Stephens
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F24 - HEATING RANGES VENTILATING
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Multielement optical panel
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Patent number 4,456,783
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Issue date Jun 26, 1984
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Polaroid Corporation
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James G. Baker
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F24 - HEATING RANGES VENTILATING
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Solar heating system
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Patent number 4,343,296
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Issue date Aug 10, 1982
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Wojcik; Karl
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Antonino Franchina
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F24 - HEATING RANGES VENTILATING
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Solar energy system
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Patent number 4,323,052
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Issue date Apr 6, 1982
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Virgil Stark
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F24 - HEATING RANGES VENTILATING
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Solar energy collection
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Patent number 4,210,121
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Issue date Jul 1, 1980
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Virgil Stark
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F24 - HEATING RANGES VENTILATING
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Solar collector panel
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Patent number 4,194,491
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Issue date Mar 25, 1980
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Eugene J. Randall
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F24 - HEATING RANGES VENTILATING
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Solar energy collector
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Patent number 4,147,561
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Issue date Apr 3, 1979
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John R. Knight
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F24 - HEATING RANGES VENTILATING
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Solar heating pipe
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Patent number 4,051,835
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Issue date Oct 4, 1977
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George Hinson-Rider
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F24 - HEATING RANGES VENTILATING
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Roof-lens solar collector
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Patent number 3,991,741
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Issue date Nov 16, 1976
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Leonard L. Northrup
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F24 - HEATING RANGES VENTILATING