Patents by Inventor Mark R. Williamson

Mark R. Williamson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Reel and hose assembly
    Patent number: D461703
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: August 20, 2002
    Assignee: Schlumberger Technology Corporation
    Inventors: Harjit S. Kohli, Elizabeth A. Mackenzie, Gary L. Rogers, Jean-Louis Pessin, Erik Rhein-Knudsen, Andrew Muddimer, Mark R. Williamson