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Heat exchange assembly
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Patent number 4,386,652
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Issue date Jun 7, 1983
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North York Mobile Wash Limited
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Bozo Dragojevic
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F28 - HEAT EXCHANGE IN GENERAL
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3205940
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Patent number 3,205,940
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Issue date Sep 14, 1965
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F24 - HEATING RANGES VENTILATING
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2642271
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Patent number 2,642,271
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Issue date Jun 16, 1953
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F24 - HEATING RANGES VENTILATING
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2608390
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Patent number 2,608,390
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Issue date Aug 26, 1952
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F22 - STEAM GENERATION
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2028456
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Patent number 2,028,456
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Issue date Jan 21, 1936
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1951285
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Patent number 1,951,285
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Issue date Mar 13, 1934
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1948380
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Patent number 1,948,380
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Issue date Feb 20, 1934
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F28 - HEAT EXCHANGE IN GENERAL
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1911375
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Patent number 1,911,375
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Issue date May 30, 1933
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F22 - STEAM GENERATION
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1822715
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Patent number 1,822,715
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Issue date Sep 8, 1931
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F28 - HEAT EXCHANGE IN GENERAL
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1767652
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Patent number 1,767,652
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Issue date Jun 24, 1930
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F28 - HEAT EXCHANGE IN GENERAL
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1636382
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Patent number 1,636,382
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Issue date Jul 19, 1927
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1566121
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Patent number 1,566,121
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Issue date Dec 15, 1925
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F24 - HEATING RANGES VENTILATING
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1564704
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Patent number 1,564,704
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Issue date Dec 8, 1925
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F24 - HEATING RANGES VENTILATING
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1304091
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Patent number 1,304,091
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Issue date May 20, 1919
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F28 - HEAT EXCHANGE IN GENERAL
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987461
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Patent number 987,461
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Issue date Mar 21, 1911
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F28 - HEAT EXCHANGE IN GENERAL
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785081
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Patent number 785,081
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Issue date Mar 21, 1905
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F28 - HEAT EXCHANGE IN GENERAL
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682634
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Patent number 682,634
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Issue date Sep 17, 1901
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F28 - HEAT EXCHANGE IN GENERAL
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447990
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Patent number 447,990
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Issue date Mar 10, 1891
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F28 - HEAT EXCHANGE IN GENERAL
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230815
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Patent number 230,815
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Issue date Aug 3, 1880
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F28 - HEAT EXCHANGE IN GENERAL
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39587
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Patent number 39,587
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Issue date Aug 18, 1863
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F28 - HEAT EXCHANGE IN GENERAL