John Robertson

Person

  • Lambourn, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Ceramic composition

    • Patent number 5,246,896
    • Issue date Sep 21, 1993
    • Foesco International Limited
    • John Robertson
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Grinding tools

    • Patent number 5,094,671
    • Issue date Mar 10, 1992
    • Unicorn Industries PLC
    • Richard Hall
    • B24 - GRINDING POLISHING