TREA

Charles Gelman

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  • Ann Arbor, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Membrane and methods of preparing and using same
    • Patent number 5,980,746
    • Issue date Nov 9, 1999
    • Pall Corporation
    • Charles Gelman
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Water filter device
    • Patent number 4,025,438
    • Issue date May 24, 1977
    • Gelman Instrument Company
    • Charles Gelman
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Water filter device
    • Patent number 4,001,120
    • Issue date Jan 4, 1977
    • Gelman Instrument Company
    • Charles Gelman
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL