TREA

Michael D. Ewing

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  • Diamond Bar, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vehicle tire
    • Patent number 4,246,947
    • Issue date Jan 27, 1981
    • Michael D. Ewing
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pneumatic tire having structural ribs
    • Patent number 4,223,713
    • Issue date Sep 23, 1980
    • Michael D. Ewing
    • B60 - VEHICLES IN GENERAL