TREA

John Cambridge Smith

Follow

Person

  • Wakefield, GB
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Mine roof support
    • Patent number 4,311,417
    • Issue date Jan 19, 1982
    • Fletcher Sutcliffe Wild Limited
    • Lewis R. B. Bower
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof supports
    • Patent number 4,268,193
    • Issue date May 19, 1981
    • Fletcher Sutcliffe Wild Limited
    • John C. Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Control system
    • Patent number 4,226,558
    • Issue date Oct 7, 1980
    • Fletcher Sutcliffe Wild Limited
    • Lewis R. B. Bower
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof supports
    • Patent number 4,117,687
    • Issue date Oct 3, 1978
    • Fletcher Sutcliffe Wild Limited
    • Arthur Scarfe
    • E21 - EARTH DRILLING MINING