TREA

Benjamin Mason

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  • Newark, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mine tunnel support system
    • Patent number 5,306,099
    • Issue date Apr 26, 1994
    • Caledonian Mining Company Limited
    • Benjamin Mason
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine tunnel support systems
    • Patent number 5,176,474
    • Issue date Jan 5, 1993
    • Caledonian Mining Co. Ltd.
    • Benjamin Mason
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Joint members
    • Patent number 4,988,232
    • Issue date Jan 29, 1991
    • Caledonian Mining Co., Ltd.
    • Benjamin Mason
    • E04 - BUILDING
  • Information Patent Grant

    Drive system for a bending machine
    • Patent number 4,893,489
    • Issue date Jan 16, 1990
    • Caledonian Mining Company Limited
    • Benjamin Mason
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus and method for lining bore holes with pre-formed lining s...
    • Patent number 4,890,676
    • Issue date Jan 2, 1990
    • Caledonian Mining Co. Ltd.
    • Benjamin Mason
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Lining of bore holes
    • Patent number 4,887,546
    • Issue date Dec 19, 1989
    • Caledonian Mining Co. Ltd.
    • Benjamin Mason
    • E21 - EARTH DRILLING MINING