TREA

Darrell B. McGahhey

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  • El Paso, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rail recycle process
    • Patent number 4,982,591
    • Issue date Jan 8, 1991
    • W. Silver, Inc.
    • Darrell B. McGahhey
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...