John F. Snow

Person

  • Warwick, RI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Aerating system

    • Patent number 4,029,581
    • Issue date Jun 14, 1977
    • Xodar Corporation
    • Roy L. Clough
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE