TREA

Donald Bullock

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  • Concord, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sewage treatment system and method
    • Patent number 5,454,949
    • Issue date Oct 3, 1995
    • Harold E. Davis
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Oxidation saturation device
    • Patent number 4,874,509
    • Issue date Oct 17, 1989
    • Donald Bullock
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE