TREA

Harry W. Riddle

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  • San Antonio, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Segmented concentric centralizer
    • Patent number 4,641,776
    • Issue date Feb 10, 1987
    • Baker Oil Tools, Inc.
    • David J. Vlasek
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well conduit centralizer
    • Patent number 4,531,582
    • Issue date Jul 30, 1985
    • Baker Oil Tools, Inc.
    • John F. Muse
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Stop device for well conduit
    • Patent number 4,530,399
    • Issue date Jul 23, 1985
    • Baker Oil Tools, Inc.
    • Harry W. Riddle
    • E21 - EARTH DRILLING MINING