TREA

Don Shewchenko

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  • Fort Worth, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Full bore gun system
    • Patent number 6,062,310
    • Issue date May 16, 2000
    • Owen Oil Tools, Inc.
    • David S. Wesson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Full bore gun system and method
    • Patent number 5,829,538
    • Issue date Nov 3, 1998
    • Owen Oil Tools, Inc.
    • David S. Wesson
    • E21 - EARTH DRILLING MINING