TREA

Guy McDowell Jr.

Follow

Person

  • Marion, KY, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Mine roof bolting
    • Patent number 4,386,877
    • Issue date Jun 7, 1983
    • Peabody Coal Company
    • Guy McDowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof bolting
    • Patent number 4,303,354
    • Issue date Dec 1, 1981
    • Peabody Coal Company
    • Guy McDowell
    • E21 - EARTH DRILLING MINING