TREA

Marion A. DeWitt

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  • North Canton, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic tire
    • Patent number 4,129,162
    • Issue date Dec 12, 1978
    • The Goodyear Tire & Rubber Company
    • Marion A. DeWitt
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method of building a tire with unequal bead diameters
    • Patent number 4,124,679
    • Issue date Nov 7, 1978
    • The Goodyear Tire & Rubber Company
    • Marion A. DeWitt
    • B60 - VEHICLES IN GENERAL