TREA

Henry E. Topf Jr.

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  • Roachdale, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Joint sealing method
    • Patent number 5,536,457
    • Issue date Jul 16, 1996
    • Miller Pipeline Corporation
    • Henry E. Topf
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Manhole seal molding apparatus
    • Patent number 5,431,553
    • Issue date Jul 11, 1995
    • Miller Pipeline Corporation
    • Henry E. Topf
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Manhole sealing apparatus and method
    • Patent number 5,201,600
    • Issue date Apr 13, 1993
    • Miller Pipeline Corporation
    • Henry E. Topf
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING