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2657018
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Patent number 2,657,018
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B60 - VEHICLES IN GENERAL
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2268979
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1958833
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Patent number 1,958,833
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Issue date May 15, 1934
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1889588
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Patent number 1,889,588
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Issue date Nov 29, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1885938
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Patent number 1,885,938
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Issue date Nov 1, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1876547
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Patent number 1,876,547
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Issue date Sep 13, 1932
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F24 - HEATING RANGES VENTILATING
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1845498
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Patent number 1,845,498
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Issue date Feb 16, 1932
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F24 - HEATING RANGES VENTILATING
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1788823
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Patent number 1,788,823
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Issue date Jan 13, 1931
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F28 - HEAT EXCHANGE IN GENERAL
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1779276
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Patent number 1,779,276
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Issue date Oct 21, 1930
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1561947
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Patent number 1,561,947
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Issue date Nov 17, 1925
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B60 - VEHICLES IN GENERAL
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1278035
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Patent number 1,278,035
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Issue date Sep 3, 1918
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F24 - HEATING RANGES VENTILATING
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1218880
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Patent number 1,218,880
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Issue date Mar 13, 1917
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F28 - HEAT EXCHANGE IN GENERAL
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693423
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F28 - HEAT EXCHANGE IN GENERAL
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650217
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Patent number 650,217
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F28 - HEAT EXCHANGE IN GENERAL
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188159
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Patent number 188,159
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F24 - HEATING RANGES VENTILATING
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76217
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F28 - HEAT EXCHANGE IN GENERAL
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60490
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Issue date Dec 18, 1866
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F28 - HEAT EXCHANGE IN GENERAL