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Air injector assembly
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Patent number 5,073,310
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Issue date Dec 17, 1991
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Water Master, Inc.
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John I. Ramsey
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3777775
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Patent number 3,777,775
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Issue date Dec 11, 1973
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3739794
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Patent number 3,739,794
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Issue date Jun 19, 1973
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3689237
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Patent number 3,689,237
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Issue date Sep 5, 1972
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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3329164
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Patent number 3,329,164
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Issue date Jul 4, 1967
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3188055
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Patent number 3,188,055
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Issue date Jun 8, 1965
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G05 - CONTROLLING REGULATING
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3174506
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Patent number 3,174,506
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Issue date Mar 23, 1965
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2953160
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Patent number 2,953,160
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Issue date Sep 20, 1960
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1646582
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Patent number 1,646,582
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Issue date Oct 25, 1927
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B28 - WORKING CEMENT, CLAY, OR STONE
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1541352
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Patent number 1,541,352
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Issue date Jun 9, 1925
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B28 - WORKING CEMENT, CLAY, OR STONE