Henry J. Hervol

Person

  • Round Rock, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas diffuser

    • Patent number 4,863,644
    • Issue date Sep 5, 1989
    • Enviroquip, Inc.
    • James M. Harrington
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE