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Solar energy collector
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Patent number 4,270,516
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Issue date Jun 2, 1981
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Sunworks, Inc.
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Thomas P. Hopper
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F24 - HEATING RANGES VENTILATING
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Solar energy collector
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Patent number 4,123,883
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Issue date Nov 7, 1978
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Sunworks, Inc.
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Everett M. Barber
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F24 - HEATING RANGES VENTILATING
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Solar energy collector
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Patent number 4,106,483
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Issue date Aug 15, 1978
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Sunworks, Inc.
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Everett M. Barber
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F24 - HEATING RANGES VENTILATING
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Solar heating system
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Patent number 4,034,738
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Issue date Jul 12, 1977
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Sunworks, Inc.
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Everett M. Barber
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F24 - HEATING RANGES VENTILATING
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Solar energy collector
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Patent number 3,980,071
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Issue date Sep 14, 1976
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Sunworks, Inc.
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Everett M. Barber
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F24 - HEATING RANGES VENTILATING