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Filter assembly
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Patent number 8,900,455
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Issue date Dec 2, 2014
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Meissner Filtration Products, Inc.
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Keith D. Trottier
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Resin filter cartridge
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Patent number 5,707,536
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Issue date Jan 13, 1998
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Christopher A. Meissner
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE