Stephen A. Brown

Person

  • Cheltenham, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Yield valve

    • Patent number 5,454,669
    • Issue date Oct 3, 1995
    • Longwall Roof Supports Limited
    • Christopher J. Oziem
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support assembly

    • Patent number 5,100,263
    • Issue date Mar 31, 1992
    • Meco Mining Equipment Limited
    • Brian J. Woodford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support assembly

    • Patent number 4,940,363
    • Issue date Jul 10, 1990
    • Meco Mining Equipment Limited
    • Stephen A. Brown
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shield supports suitable for use in mines

    • Patent number 4,607,986
    • Issue date Aug 26, 1986
    • Dowty Mining Equipment Limited
    • Stephen A. Brown
    • E21 - EARTH DRILLING MINING