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-
-
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2847926
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Patent number 2,847,926
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Issue date Aug 19, 1958
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F24 - HEATING RANGES VENTILATING
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2731903
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Patent number 2,731,903
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Issue date Jan 24, 1956
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F24 - HEATING RANGES VENTILATING
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2731902
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Patent number 2,731,902
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Issue date Jan 24, 1956
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F24 - HEATING RANGES VENTILATING
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2656781
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Patent number 2,656,781
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Issue date Oct 27, 1953
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F24 - HEATING RANGES VENTILATING
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2539293
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Patent number 2,539,293
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Issue date Jan 23, 1951
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F24 - HEATING RANGES VENTILATING
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1902880
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Patent number 1,902,880
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Issue date Mar 28, 1933
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F28 - HEAT EXCHANGE IN GENERAL
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1886894
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Patent number 1,886,894
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Issue date Nov 8, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1884100
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Patent number 1,884,100
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Issue date Oct 25, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1851720
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Patent number 1,851,720
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Issue date Mar 29, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1843817
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Patent number 1,843,817
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Issue date Feb 2, 1932
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F24 - HEATING RANGES VENTILATING
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1830327
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Patent number 1,830,327
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Issue date Nov 3, 1931
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F24 - HEATING RANGES VENTILATING
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1816604
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Patent number 1,816,604
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Issue date Jul 28, 1931
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F24 - HEATING RANGES VENTILATING
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1709193
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Patent number 1,709,193
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Issue date Apr 16, 1929
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F24 - HEATING RANGES VENTILATING
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1607065
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Patent number 1,607,065
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Issue date Nov 16, 1926
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F24 - HEATING RANGES VENTILATING
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1569243
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Patent number 1,569,243
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Issue date Jan 12, 1926
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1460820
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Patent number 1,460,820
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Issue date Jul 3, 1923
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F24 - HEATING RANGES VENTILATING
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1425674
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Patent number 1,425,674
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Issue date Aug 15, 1922
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F28 - HEAT EXCHANGE IN GENERAL
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1421255
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Issue date Jun 27, 1922
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B60 - VEHICLES IN GENERAL
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1357093
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Patent number 1,357,093
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Issue date Oct 26, 1920
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B60 - VEHICLES IN GENERAL
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1341879
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B60 - VEHICLES IN GENERAL
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1194473
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F28 - HEAT EXCHANGE IN GENERAL
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1009052
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F28 - HEAT EXCHANGE IN GENERAL
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846611
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F28 - HEAT EXCHANGE IN GENERAL
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499850
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F28 - HEAT EXCHANGE IN GENERAL
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262715
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F28 - HEAT EXCHANGE IN GENERAL
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240649
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Patent number 240,649
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Issue date Apr 26, 1881
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F28 - HEAT EXCHANGE IN GENERAL