TREA

John J. Crowley

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  • Ware, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary envelope cutting apparatus
    • Patent number 4,450,740
    • Issue date May 29, 1984
    • Westvaco Corporation
    • William A. Chapman
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Rotary envelope cutting method
    • Patent number 4,429,603
    • Issue date Feb 7, 1984
    • Westvaco Corporation
    • William A. Chapman
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD