TREA

Jerry C. Graff

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic connector
    • Patent number 5,535,827
    • Issue date Jul 16, 1996
    • Sonsub, Inc.
    • Jerry C. Graff
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic connector
    • Patent number 5,433,274
    • Issue date Jul 18, 1995
    • Sonsub, Inc.
    • Jerry C. Graff
    • E21 - EARTH DRILLING MINING