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Water filtration device
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Patent number D410273
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Issue date May 25, 1999
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American Standard, Inc.
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Brian D. Hunter
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D23 - Environmental heating and cooling
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Filtration cartridge
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Patent number D410064
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Issue date May 18, 1999
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American Standard, Inc.
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Brian D. Hunter
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D23 - Environmental heating and cooling
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Biocide filter
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Patent number 5,580,447
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Issue date Dec 3, 1996
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SweetWater, Inc.
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Sanford Platter
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE