TREA

David L. Britten

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  • Calgary, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe coupling
    • Patent number 5,498,035
    • Issue date Mar 12, 1996
    • Thomas L. Blose
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe coupling
    • Patent number 5,468,029
    • Issue date Nov 21, 1995
    • IPSCO Enterprises Inc.
    • Thomas L. Blose
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe coupling
    • Patent number 5,348,350
    • Issue date Sep 20, 1994
    • IPSCO Enterprises Inc.
    • Thomas L. Blose
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe coupling
    • Patent number 5,330,239
    • Issue date Jul 19, 1994
    • IPSCO Enterprises Inc.
    • Thomas L. Blose
    • E21 - EARTH DRILLING MINING