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Furnace
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Patent number 10,801,738
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Issue date Oct 13, 2020
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FIRE CHIEF INDUSTRIES LLC
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Danny N. Haynes
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Combustion heater
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Patent number 4,228,783
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Issue date Oct 21, 1980
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Paul A. Kalenian
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F24 - HEATING RANGES VENTILATING
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Wood burning furnace
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Patent number 4,047,515
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Issue date Sep 13, 1977
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Walter Lee Daniel
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F24 - HEATING RANGES VENTILATING
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2175525
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Patent number 2,175,525
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Issue date Oct 10, 1939
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F24 - HEATING RANGES VENTILATING
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2137827
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Patent number 2,137,827
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Issue date Nov 22, 1938
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F24 - HEATING RANGES VENTILATING
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1995056
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Patent number 1,995,056
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Issue date Mar 19, 1935
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F24 - HEATING RANGES VENTILATING
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1962694
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Patent number 1,962,694
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Issue date Jun 12, 1934
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F24 - HEATING RANGES VENTILATING
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1952023
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Patent number 1,952,023
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Issue date Mar 20, 1934
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F24 - HEATING RANGES VENTILATING
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1943223
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Patent number 1,943,223
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Issue date Jan 9, 1934
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F24 - HEATING RANGES VENTILATING
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1933743
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Patent number 1,933,743
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Issue date Nov 7, 1933
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F24 - HEATING RANGES VENTILATING
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1917702
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Patent number 1,917,702
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Issue date Jul 11, 1933
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F24 - HEATING RANGES VENTILATING
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1833440
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Patent number 1,833,440
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Issue date Nov 24, 1931
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F24 - HEATING RANGES VENTILATING
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1831912
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Patent number 1,831,912
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Issue date Nov 17, 1931
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F24 - HEATING RANGES VENTILATING
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1810457
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Patent number 1,810,457
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Issue date Jun 16, 1931
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F24 - HEATING RANGES VENTILATING
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1750824
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Patent number 1,750,824
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Issue date Mar 18, 1930
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F24 - HEATING RANGES VENTILATING
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1744021
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Patent number 1,744,021
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Issue date Jan 14, 1930
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F24 - HEATING RANGES VENTILATING
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1707731
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Patent number 1,707,731
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Issue date Apr 2, 1929
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F24 - HEATING RANGES VENTILATING
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1674736
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Patent number 1,674,736
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Issue date Jun 26, 1928
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F24 - HEATING RANGES VENTILATING
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1674063
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Patent number 1,674,063
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Issue date Jun 19, 1928
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F24 - HEATING RANGES VENTILATING
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1672793
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Patent number 1,672,793
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Issue date Jun 5, 1928
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F24 - HEATING RANGES VENTILATING
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1671147
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Patent number 1,671,147
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Issue date May 29, 1928
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F24 - HEATING RANGES VENTILATING
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1621066
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Patent number 1,621,066
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Issue date Mar 15, 1927
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F24 - HEATING RANGES VENTILATING
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1610912
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Patent number 1,610,912
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Issue date Dec 14, 1926
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F24 - HEATING RANGES VENTILATING
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1487612
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Patent number 1,487,612
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Issue date Mar 18, 1924
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F24 - HEATING RANGES VENTILATING
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1398300
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Patent number 1,398,300
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Issue date Nov 29, 1921
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F24 - HEATING RANGES VENTILATING
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1371490
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Patent number 1,371,490
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Issue date Mar 15, 1921
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F24 - HEATING RANGES VENTILATING
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1364444
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Patent number 1,364,444
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Issue date Jan 4, 1921
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F24 - HEATING RANGES VENTILATING