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Bag in, bag out filter assembly
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Patent number 7,566,354
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Issue date Jul 28, 2009
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Flow Sciences, Inc.
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Raymond F. Ryan
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Biological safety cabinet
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Patent number 7,014,674
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Issue date Mar 21, 2006
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Flow Sciences, Inc.
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Raymond F. Ryan
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F24 - HEATING RANGES VENTILATING
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Fume hood
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Patent number 6,302,779
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Issue date Oct 16, 2001
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Flow Sciences, Inc.
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Raymond F. Ryan
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B08 - CLEANING