TREA

Dennis Franklin Rutherford

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  • Bishops Cleeve, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mine roof supports
    • Patent number 4,732,511
    • Issue date Mar 22, 1988
    • Dowty Mining Equipment Ltd.
    • Dennis F. Rutherford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof support for use in mines
    • Patent number 4,492,495
    • Issue date Jan 8, 1985
    • Dowty Mining Equipment Limited
    • Dennis F. Rutherford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof support suitable for use in mines
    • Patent number 4,430,026
    • Issue date Feb 7, 1984
    • Dowty Mining Equipment Limited
    • Nigel Hill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof support suitable for use in mines
    • Patent number 4,411,558
    • Issue date Oct 25, 1983
    • Dowty Mining Equipment Limited
    • Dennis F. Rutherford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support
    • Patent number 4,114,387
    • Issue date Sep 19, 1978
    • Dowty Mining Equipment Limited
    • Dennis Franklin Rutherford
    • E21 - EARTH DRILLING MINING