TREA

Sabern D. Buchanan

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  • Tulsa, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Use of SCR's in extended retarding
    • Patent number 4,698,561
    • Issue date Oct 6, 1987
    • Unit Rig & Equipment Company
    • Sabern D. Buchanan
    • B60 - VEHICLES IN GENERAL