TREA

Roger Barsted

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  • Newhall, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Brake equipment for underground mining machines
    • Patent number 4,406,354
    • Issue date Sep 27, 1983
    • Coal Industry (Patents) Ltd.
    • Roger Barsted
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Brake equipment
    • Patent number 4,234,060
    • Issue date Nov 18, 1980
    • Coal Industry (Patents) Limited
    • Roger Barsted
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake equipment for mining machines
    • Patent number 4,196,798
    • Issue date Apr 8, 1980
    • Coal Industry (Patents) Limited
    • Roger Barsted
    • E21 - EARTH DRILLING MINING