John Haaland

Person

  • Dover, NJ, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Performance-based control system

    • Patent number 5,855,791
    • Issue date Jan 5, 1999
    • Ashland Chemical Company
    • George Hays
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE