TREA

George F. Langenbach Jr.

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  • Crestwood, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Security door lock
    • Patent number 4,844,521
    • Issue date Jul 4, 1989
    • George Langenbach
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Security door
    • Patent number 4,679,353
    • Issue date Jul 14, 1987
    • George Langenbach
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Apparatus for and method of shoring a structure
    • Patent number 4,678,373
    • Issue date Jul 7, 1987
    • Perma-Jack Company
    • George F. Langenbach
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Shoring apparatus and method
    • Patent number 4,563,110
    • Issue date Jan 7, 1986
    • New T'ings Inc.
    • George F. Langenbach
    • E04 - BUILDING