TREA

John Y. Leaver

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  • Quincy, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety brace
    • Patent number 4,218,094
    • Issue date Aug 19, 1980
    • The Knapheide Mfg. Co.
    • John Y. Leaver
    • B60 - VEHICLES IN GENERAL