TREA

Andrew T. Sayer

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  • Stockton on Tees, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Destruction process
    • Patent number 5,308,458
    • Issue date May 3, 1994
    • Tioxide Group Services Limited
    • Donald Urwin
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Destruction process
    • Patent number 5,163,626
    • Issue date Nov 17, 1992
    • Tioxide Group Services Limited
    • Donald Urwin
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL