Christopher M. Zetena

Person

  • Cincinnati, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual range periodic chemical dispenser for swimming pools

    • Patent number 5,133,381
    • Issue date Jul 28, 1992
    • Olin Corporation
    • Richard B. Wood
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Pool chemical dispenser

    • Patent number RE33861
    • Issue date Mar 31, 1992
    • Olin Corporation
    • Christopher M. Zetena
    • 137 - Fluid handling
  • Information Patent Grant

    Pool chemical dispenser

    • Patent number 4,867,196
    • Issue date Sep 19, 1989
    • Olin Corporation
    • Christopher M. Zetena
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE