TREA

Richard C. Lyon

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  • Denver, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rock bit nozzle diffuser
    • Patent number 5,601,153
    • Issue date Feb 11, 1997
    • Smith International, Inc.
    • Jerry Ensminger
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rock bit borhole back reaming method
    • Patent number 5,415,243
    • Issue date May 16, 1995
    • Smith International, Inc.
    • Richard C. Lyon
    • E21 - EARTH DRILLING MINING