TREA

Laurence E. Dowd

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  • Arlington Heights, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Blown film extrusion
    • Patent number 4,632,801
    • Issue date Dec 30, 1986
    • Norchem, Inc.
    • Laurence E. Dowd
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL