TREA

Gerald D. Wolfe

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  • Zelienople, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cap for underdrains in gravity filters
    • Patent number 5,232,592
    • Issue date Aug 3, 1993
    • The F.B. Leopold Company, Inc.
    • Marvin A. Brown
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Cap for underdrains in gravity filters
    • Patent number 5,149,427
    • Issue date Sep 22, 1992
    • The F.B. Leopold Company, Inc.
    • Marvin A. Brown
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter underdrain block
    • Patent number 5,108,627
    • Issue date Apr 28, 1992
    • F.B. Leopold Company, Inc.
    • Dean T. Berkebile
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Beach for the scum trough of a sewage settling tank or the like
    • Patent number 4,268,394
    • Issue date May 19, 1981
    • Sybron Corporation
    • Gerald D. Wolfe
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL