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Solar heat apparatus
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Patent number 4,334,522
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Issue date Jun 15, 1982
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Joseph Dukess
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F24 - HEATING RANGES VENTILATING
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Solar heat apparatus
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Patent number 4,327,552
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Issue date May 4, 1982
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Joseph Dukess
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F24 - HEATING RANGES VENTILATING
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Method of co-extrusion with foam core
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Patent number 4,206,165
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Issue date Jun 3, 1980
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Tri-Seal International, Inc.
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Joseph Dukess
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Solar heat apparatus
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Patent number 4,166,769
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Issue date Sep 4, 1979
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Joseph Dukess
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F24 - HEATING RANGES VENTILATING
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Cap liner construction
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Patent number 3,976,217
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Issue date Aug 24, 1976
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Joseph Dukess
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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