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Fireplace insert
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Patent number 4,583,516
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Issue date Apr 22, 1986
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Tommy W. Patterson
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F24 - HEATING RANGES VENTILATING
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Fireplace assembly
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Patent number 4,274,393
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Issue date Jun 23, 1981
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R. Scaran, Inc.
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Robert T. Scaran
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F24 - HEATING RANGES VENTILATING
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Fireplace system
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Patent number 4,233,956
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Issue date Nov 18, 1980
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Freddie J. Haynes
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F24 - HEATING RANGES VENTILATING
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Fireplace venting system
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Patent number 4,195,618
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Issue date Apr 1, 1980
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Lawson; Larry
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John E. Kellogg
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F24 - HEATING RANGES VENTILATING
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3910252
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Patent number 3,910,252
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Issue date Oct 7, 1975
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F24 - HEATING RANGES VENTILATING
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3804074
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Patent number 3,804,074
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Issue date Apr 16, 1974
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F24 - HEATING RANGES VENTILATING
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3082759
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Patent number 3,082,759
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Issue date Mar 26, 1963
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F24 - HEATING RANGES VENTILATING
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2542670
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Patent number 2,542,670
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Issue date Feb 20, 1951
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F24 - HEATING RANGES VENTILATING
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1537361
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Patent number 1,537,361
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Issue date May 12, 1925
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F24 - HEATING RANGES VENTILATING
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1430013
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Patent number 1,430,013
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Issue date Sep 26, 1922
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F24 - HEATING RANGES VENTILATING
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1408811
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Patent number 1,408,811
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Issue date Mar 7, 1922
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F24 - HEATING RANGES VENTILATING