TREA

Richard Douglas Antrim

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  • Newtown, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable pelletizing apparatus
    • Patent number 4,290,742
    • Issue date Sep 22, 1981
    • USM Corporation
    • Hans R. Scharer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extruder seal
    • Patent number 4,117,549
    • Issue date Sep 26, 1978
    • USM Corporation
    • Richard Douglas Antrim
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL