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Fluid treatment apparatus
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Patent number 7,473,374
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Issue date Jan 6, 2009
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Ralph Suddath
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Fluid treatment apparatus
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Patent number 7,238,289
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Issue date Jul 3, 2007
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Hydro Municipal Technologies, Ltd.
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Ralph Suddath
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES