TREA

William L. Lehman

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  • Whitelaw, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process of making a helical ribbon
    • Patent number 6,406,652
    • Issue date Jun 18, 2002
    • Santa's Best
    • William F. Protz
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL