TREA

John K. Clark

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  • Copley, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic tire having improved wet traction
    • Patent number 6,450,223
    • Issue date Sep 17, 2002
    • The Goodyear Tire & Rubber Company
    • Samuel Patrick Landers
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Tire tread
    • Patent number D434706
    • Issue date Dec 5, 2000
    • The Goodyear Tire & Rubber Company
    • Billy Joe Ratliff
    • D12 - Transportation
  • Information Patent Grant

    Tire tread
    • Patent number D430829
    • Issue date Sep 12, 2000
    • The Goodyear Tire & Rubber Company
    • Billy Joe Ratliff
    • D12 - Transportation
  • Information Patent Grant

    Tire tread
    • Patent number D426502
    • Issue date Jun 13, 2000
    • The Goodyear Tire & Rubber Company
    • Adrian Thomas O'Neill
    • D12 - Transportation
  • Information Patent Grant

    Tire with rubber tread
    • Patent number 5,006,606
    • Issue date Apr 9, 1991
    • The Goodyear Tire & Rubber Company
    • John K. Clark
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vehicle tire with rib type tread pattern having sipes across the ribs
    • Patent number 4,926,919
    • Issue date May 22, 1990
    • The Goodyear Tire & Rubber Company
    • William M. Hopkins
    • B60 - VEHICLES IN GENERAL