Patents by Inventor Zan E. Svendsen

Zan E. Svendsen 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).

  • Reamer
    Patent number: D786645
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: May 16, 2017
    Assignee: Z DRILLING HOLDINGS, INC.
    Inventors: Zan E. Svendsen, Bruce M. Victor