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Irwin H. Hess

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  • Lakewood, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid circulating device
    • Patent number 5,466,369
    • Issue date Nov 14, 1995
    • Irwin H. Hess
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Liquid circulating device
    • Patent number 5,133,907
    • Issue date Jul 28, 1992
    • Leo D. Weber
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL