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Vacuum producing condenser
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Issue date May 28, 1985
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Niagara Blower Company
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Walter Kals
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F28 - HEAT EXCHANGE IN GENERAL
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3424236
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Patent number 3,424,236
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Issue date Jan 28, 1969
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B60 - VEHICLES IN GENERAL
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1734615
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Patent number 1,734,615
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Issue date Nov 5, 1929
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1651786
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Patent number 1,651,786
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Issue date Dec 6, 1927
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F28 - HEAT EXCHANGE IN GENERAL
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1611082
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Patent number 1,611,082
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Issue date Dec 14, 1926
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1349681
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Patent number 1,349,681
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Issue date Aug 17, 1920
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1251493
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Patent number 1,251,493
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Issue date Jan 1, 1918
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F28 - HEAT EXCHANGE IN GENERAL
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1079609
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Patent number 1,079,609
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F28 - HEAT EXCHANGE IN GENERAL
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487036
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Patent number 487,036
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F28 - HEAT EXCHANGE IN GENERAL
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349241
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Patent number 349,241
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F28 - HEAT EXCHANGE IN GENERAL
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262826
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Patent number 262,826
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F28 - HEAT EXCHANGE IN GENERAL
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194856
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Patent number 194,856
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F28 - HEAT EXCHANGE IN GENERAL
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90886
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Patent number 90,886
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F28 - HEAT EXCHANGE IN GENERAL
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78498
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Patent number 78,498
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F28 - HEAT EXCHANGE IN GENERAL
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66323
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Patent number 66,323
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F28 - HEAT EXCHANGE IN GENERAL