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Diane M. Ryan

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  • Kingwood, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mud motor
    • Patent number 6,527,512
    • Issue date Mar 4, 2003
    • Brush Wellman, Inc.
    • Robert D. Bertin
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Threaded spacer
    • Patent number 6,371,224
    • Issue date Apr 16, 2002
    • Brush Wellman, Inc.
    • Stephen Freeman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Mud motor
    • Publication number 20020122722
    • Publication date Sep 5, 2002
    • Robert D. Bertin
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...