TREA

Raymond O. Bertsch

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  • Chebanse, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Folding carton blank and method of forming same
    • Patent number 5,090,616
    • Issue date Feb 25, 1992
    • Riverwood Natural Resources Corporation
    • Raymond O. Bertsch
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Folding carton blank and method of forming same
    • Patent number 5,071,401
    • Issue date Dec 10, 1991
    • Riverwood International Corporation
    • Raymond O. Bertsch
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD