TREA

G. Steven Kyker

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  • Big Sandy, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite earth boring bit seal
    • Patent number 6,123,337
    • Issue date Sep 26, 2000
    • Smith International, Inc.
    • Zhigang Fang
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Composite rock bit seal
    • Patent number 5,842,700
    • Issue date Dec 1, 1998
    • Smith International, Inc.
    • Zhigang Fang
    • E21 - EARTH DRILLING MINING