TREA

Peter Karbstein

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  • Neumunster, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Protective frame device for drainage channel
    • Patent number 4,699,544
    • Issue date Oct 13, 1987
    • ACO Polymer Products, Inc.
    • Peter Karbstein
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Drainage channel
    • Patent number 4,630,966
    • Issue date Dec 23, 1986
    • ACO Polymer Products, Inc.
    • Peter Karbstein
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES