TREA

Bruce A. Waddell

Follow

Person

  • Seattle, WA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Mobile mining machine and method
    • Patent number 4,548,442
    • Issue date Oct 22, 1985
    • The Robbins Company
    • David B. Sugden
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roller cutter mounts
    • Patent number 4,202,418
    • Issue date May 13, 1980
    • The Robbins Company
    • Bruce A. Waddell
    • E21 - EARTH DRILLING MINING