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Solar collectors
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Patent number 4,534,336
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Issue date Aug 13, 1985
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Serje Ladriere
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F24 - HEATING RANGES VENTILATING
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Solar collector
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Patent number 4,122,832
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Issue date Oct 31, 1978
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Ladislav Hirschsohn
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F24 - HEATING RANGES VENTILATING
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Solar heat collecting units
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Patent number 4,088,117
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Issue date May 9, 1978
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International Solarthermics Corporation
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John H. Keyes
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F24 - HEATING RANGES VENTILATING
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Solar heat collector
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Patent number 4,064,868
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Issue date Dec 27, 1977
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Halstead Industries, Inc.
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Otto J. Nussbaum
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F24 - HEATING RANGES VENTILATING
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Solar heating system
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Patent number 4,003,364
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Issue date Jan 18, 1977
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Carl E. Balkus
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F24 - HEATING RANGES VENTILATING
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1802635
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Patent number 1,802,635
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Issue date Apr 28, 1931
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F24 - HEATING RANGES VENTILATING