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Flask vent and method of making same
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Patent number 6,170,684
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Issue date Jan 9, 2001
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Monty E. Vincent
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Fluid filter assembly
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Patent number 5,348,646
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Issue date Sep 20, 1994
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John R. Costello
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Filter device
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Patent number 4,444,661
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Issue date Apr 24, 1984
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Gelman Sciences Inc.
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Mark E. Jackson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter device
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Patent number 4,369,112
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Issue date Jan 18, 1983
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Gelman Sciences Inc.
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Monty E. Vincent
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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