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2768942
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Patent number 2,768,942
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Issue date Oct 30, 1956
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2665315
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Patent number 2,665,315
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Issue date Jan 5, 1954
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2401339
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Patent number 2,401,339
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Issue date Jun 4, 1946
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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2306993
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Patent number 2,306,993
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Issue date Dec 29, 1942
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2273147
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Patent number 2,273,147
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Issue date Feb 17, 1942
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2222475
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Patent number 2,222,475
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Issue date Nov 19, 1940
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2214671
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Patent number 2,214,671
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Issue date Sep 10, 1940
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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2127654
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Patent number 2,127,654
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Issue date Aug 23, 1938
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2036166
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Patent number 2,036,166
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Issue date Mar 31, 1936
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1997938
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Patent number 1,997,938
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Issue date Apr 16, 1935
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1956716
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Patent number 1,956,716
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Issue date May 1, 1934
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1888346
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Patent number 1,888,346
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Issue date Nov 22, 1932
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1884587
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Patent number 1,884,587
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Issue date Oct 25, 1932
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1836947
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Patent number 1,836,947
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Issue date Dec 15, 1931
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1788653
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Patent number 1,788,653
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Issue date Jan 13, 1931
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1788654
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Patent number 1,788,654
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Issue date Jan 13, 1931
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1786493
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Patent number 1,786,493
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Issue date Dec 30, 1930
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1768342
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Patent number 1,768,342
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Issue date Jun 24, 1930
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1752455
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Patent number 1,752,455
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Issue date Apr 1, 1930
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1753171
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Patent number 1,753,171
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Issue date Apr 1, 1930
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1684035
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Patent number 1,684,035
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Issue date Sep 11, 1928
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1636938
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Patent number 1,636,938
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Issue date Jul 26, 1927
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1535653
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Patent number 1,535,653
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Issue date Apr 28, 1925
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...