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Filter leaf
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Patent number 4,446,352
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Issue date May 1, 1984
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United States Filter Fluid Systems Corp.
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Theodore H. O'Cheskey
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Filter sluicing apparatus
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Patent number 4,332,680
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Issue date Jun 1, 1982
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United States Filter Fluid Systems Corporation
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Theodore H. O'Cheskey
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Hydraulic powered mixing apparatus
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Patent number 4,255,262
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Issue date Mar 10, 1981
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U.S. Filter Corporation
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Theodore H. O'Cheskey
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Method of upflow liquid treatment
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Patent number 4,053,408
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Issue date Oct 11, 1977
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U.S. Filter Corporation
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Theodore H. O'Cheskey
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Mixing apparatus
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Patent number 3,972,815
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Issue date Aug 3, 1976
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United States Filter Corporation
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Theodore H. O'Cheskey
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL