TREA

Harold L. Wilson

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  • Antonia, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Check valve
    • Patent number 4,266,569
    • Issue date May 12, 1981
    • Harold L. Wilson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Aerator sewage tank
    • Patent number 4,093,549
    • Issue date Jun 6, 1978
    • Harold L. Wilson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE