TREA

Geoffrey Raymond Rigby

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  • Harlestown, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Inertization system for highwall mining
    • Patent number 5,997,100
    • Issue date Dec 7, 1999
    • The Broken Hill Proprietary Company Limited
    • Gordon Alexander Marshall
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Inertization system for highwall mining
    • Patent number 5,820,223
    • Issue date Oct 13, 1998
    • The Broken Hill Proprietary Company Limited
    • Gordon Alexander Marshall
    • E21 - EARTH DRILLING MINING