TREA

Douglas B. Laird

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  • Collierville, TN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Header machine
    • Patent number 5,161,289
    • Issue date Nov 10, 1992
    • Ardco, Inc.
    • James W. Adams
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tubing expander
    • Patent number 5,129,246
    • Issue date Jul 14, 1992
    • Ardco, Inc.
    • John T. Strickland
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...