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-
-
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3741169
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Patent number 3,741,169
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Issue date Jun 26, 1973
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F24 - HEATING RANGES VENTILATING
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2708913
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Patent number 2,708,913
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Issue date May 24, 1955
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2625915
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Patent number 2,625,915
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Issue date Jan 20, 1953
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2607325
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Patent number 2,607,325
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Issue date Aug 19, 1952
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F22 - STEAM GENERATION
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1910349
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Patent number 1,910,349
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Issue date May 23, 1933
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1908149
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Patent number 1,908,149
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Issue date May 9, 1933
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F24 - HEATING RANGES VENTILATING
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1734310
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Patent number 1,734,310
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Issue date Nov 5, 1929
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F22 - STEAM GENERATION
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1714829
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Patent number 1,714,829
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Issue date May 28, 1929
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F22 - STEAM GENERATION
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1577838
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Patent number 1,577,838
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Issue date Mar 23, 1926
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1420366
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Patent number 1,420,366
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Issue date Jun 20, 1922
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1299955
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Patent number 1,299,955
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Issue date Apr 8, 1919
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1294826
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Patent number 1,294,826
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Issue date Feb 18, 1919
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F22 - STEAM GENERATION
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1288480
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Patent number 1,288,480
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Issue date Dec 24, 1918
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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1224662
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Patent number 1,224,662
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Issue date May 1, 1917
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F22 - STEAM GENERATION
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1140956
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Patent number 1,140,956
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Issue date May 25, 1915
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F22 - STEAM GENERATION
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1131738
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Patent number 1,131,738
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Issue date Mar 16, 1915
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F22 - STEAM GENERATION
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1112463
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Patent number 1,112,463
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Issue date Oct 6, 1914
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F22 - STEAM GENERATION
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960969
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Patent number 960,969
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Issue date Jun 7, 1910
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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836219
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Patent number 836,219
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Issue date Nov 20, 1906
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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812448
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Patent number 812,448
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Issue date Feb 13, 1906
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F22 - STEAM GENERATION
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757949
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Patent number 757,949
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Issue date Apr 19, 1904
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F24 - HEATING RANGES VENTILATING
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741346
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Patent number 741,346
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Issue date Oct 13, 1903
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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722827
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Patent number 722,827
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Issue date Mar 17, 1903
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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698190
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Patent number 698,190
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Issue date Apr 22, 1902
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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696240
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Patent number 696,240
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Issue date Mar 25, 1902
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F22 - STEAM GENERATION