TREA

Don H. Girvan

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  • St. Augustine, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for treating water
    • Patent number 7,404,902
    • Issue date Jul 29, 2008
    • Haviland Consumer Products, Inc.
    • Don H. Girvan
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Methods and devices for treating water
    • Patent number 6,022,480
    • Issue date Feb 8, 2000
    • The John Girvan Company, Inc.
    • Don H. Girvan
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method of treating water
    • Patent number 5,676,844
    • Issue date Oct 14, 1997
    • Don H. Girvan
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Anti-corrosion additive
    • Publication number 20070095760
    • Publication date May 3, 2007
    • Don H. Girvan
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE