John R. Andrews

Person

  • Glen Waverley, AU

Patents Grantslast 30 patents

  • Information Patent Grant

    Classifying device

    • Patent number 4,664,789
    • Issue date May 12, 1987
    • Minpro Pty. Limited
    • Jeremy J. Lees
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Asbestos process

    • Patent number 4,591,103
    • Issue date May 27, 1986
    • ICI Australia Limited
    • John R. Andrews
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES