TREA

Keith A. Dumigan

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  • Akron, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tire tread
    • Patent number D449801
    • Issue date Oct 30, 2001
    • Bridgestone/Firestone Research, Inc.
    • Keith A. Dumigan
    • D12 - Transportation
  • Information Patent Grant

    Tire tread
    • Patent number D448328
    • Issue date Sep 25, 2001
    • Bridgestone/Firestone Research, Inc.
    • Keith A. Dumigan
    • D12 - Transportation