Douglas Graham

Person

  • Houston, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Screen assembly for vibratory separator

    • Patent number 6,789,680
    • Issue date Sep 14, 2004
    • Varco I/P, Inc.
    • Kerry Ward
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents