TREA

Philip J. Mattera

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  • Beverly, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water ring pelletizer
    • Patent number 5,215,763
    • Issue date Jun 1, 1993
    • John Brown Inc.
    • Philip J. Mattera
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL