TREA

Robert B. Duffey

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  • Paulding, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tire uniformity machine
    • Patent number 4,458,451
    • Issue date Jul 10, 1984
    • The B. F. Goodrich Company
    • Clarence L. Rogers
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL