TREA

John K. Hochu

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  • Mississauga, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pitch control
    • Patent number 5,246,548
    • Issue date Sep 21, 1993
    • Dearborn Chemical Company Limited
    • David A. Aston
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE