TREA

Rondon L. Schroeder

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  • Wichita, KS, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Directional drilling apparatus
    • Patent number 4,153,119
    • Issue date May 8, 1979
    • Continental Oil Company
    • Tibor O. Edmond
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Earth drilling mechanisms
    • Patent number 3,978,930
    • Issue date Sep 7, 1976
    • Continental Oil Company
    • Rondon L. Schroeder
    • E21 - EARTH DRILLING MINING