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2809154
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Patent number 2,809,154
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Issue date Oct 8, 1957
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2789085
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Patent number 2,789,085
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Issue date Apr 16, 1957
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2723949
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Patent number 2,723,949
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Issue date Nov 15, 1955
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2714086
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Patent number 2,714,086
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Issue date Jul 26, 1955
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2639982
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Patent number 2,639,982
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Issue date May 26, 1953
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2575587
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Patent number 2,575,587
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Issue date Nov 20, 1951
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2422790
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Patent number 2,422,790
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Issue date Jun 24, 1947
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2314112
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Patent number 2,314,112
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Issue date Mar 16, 1943
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2263766
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Patent number 2,263,766
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Issue date Nov 25, 1941
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2114416
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Patent number 2,114,416
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Issue date Apr 19, 1938
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2064715
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Patent number 2,064,715
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Issue date Dec 15, 1936
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1958278
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Patent number 1,958,278
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Issue date May 8, 1934
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1958277
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Patent number 1,958,277
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Issue date May 8, 1934
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1927244
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Patent number 1,927,244
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Issue date Sep 19, 1933
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1912629
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Patent number 1,912,629
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Issue date Jun 6, 1933
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1805720
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Patent number 1,805,720
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Issue date May 19, 1931
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...