TREA

Daniel; John M.

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  • Beckley, WV, US
  • Mailing Address
    P O BOX 10247 BIRMINGHAM AL 35202-0247
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Contour miner
    • Patent number 4,260,195
    • Issue date Apr 7, 1981
    • Daniel; John M.
    • Gwyn G. Hart
    • E21 - EARTH DRILLING MINING