TREA

Roger C. Smith

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill bit with dual reaming rows
    • Patent number 5,671,817
    • Issue date Sep 30, 1997
    • Camco International Inc.
    • Roger C. Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bit breaker
    • Patent number 4,495,840
    • Issue date Jan 29, 1985
    • Reed Rock Bit Company
    • Gary T. Freitag
    • E21 - EARTH DRILLING MINING