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Arthur W. Johnston

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  • Atlanta, GA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Commodity water purifier
    • Patent number 9,403,702
    • Issue date Aug 2, 2016
    • A BETTER LIFE WORLDWIDE, LLC
    • Arthur W. Johnston
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Broad spectrum antimicrobial purification materials and methods for...
    • Patent number 7,427,409
    • Issue date Sep 23, 2008
    • Water Visions International, Inc.
    • Jan W. Gooch
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Microbiological water filter
    • Patent number 6,957,743
    • Issue date Oct 25, 2005
    • Watervisions International, Inc.
    • Arthur W. Johnston
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Microbiological water filter
    • Patent number 6,187,192
    • Issue date Feb 13, 2001
    • Watervisions International, Inc.
    • Arthur W. Johnston
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Microbiological water filtering
    • Patent number 6,180,016
    • Issue date Jan 30, 2001
    • Watervisions International, Inc.
    • Arthur W. Johnston
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Multi-stage microbiological water filter
    • Patent number 5,552,046
    • Issue date Sep 3, 1996
    • Arthur W. Johnston
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents