Patents by Inventor Gary F. Selden

Gary F. Selden 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).

  • Method of making tungsten carbide grit
    Patent number: 4478611
    Abstract: A novel method is disclosed for preparing a tungsten carbide grit. The method comprises blending tungsten carbide powder with a binder, forming agglomerates of the powder and sintering the agglomerates to form the tungsten carbide grit.
    Type: Grant
    Filed: December 14, 1979
    Date of Patent: October 23, 1984
    Assignee: Hughes Tool Company
    Inventor: Gary F. Selden