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Gas spargers and related container systems
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Patent number 9,682,353
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Issue date Jun 20, 2017
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Life Technologies Corporation
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Michael E. Goodwin
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Device for gassing liquids
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Patent number 5,183,595
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Issue date Feb 2, 1993
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Karl H. Schussler
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3603509
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Patent number 3,603,509
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Issue date Sep 7, 1971
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3315895
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Patent number 3,315,895
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Issue date Apr 25, 1967
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3206178
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Patent number 3,206,178
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Issue date Sep 14, 1965
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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2978234
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Patent number 2,978,234
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Issue date Apr 4, 1961
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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2815943
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Patent number 2,815,943
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Issue date Dec 10, 1957
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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2383946
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Patent number 2,383,946
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Issue date Sep 4, 1945
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1755614
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Patent number 1,755,614
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Issue date Apr 22, 1930
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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1717713
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Patent number 1,717,713
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Issue date Jun 18, 1929
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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1703967
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Patent number 1,703,967
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Issue date Mar 5, 1929
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE