Patents by Inventor Marty D. Hunt

Marty D. Hunt 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).

  • Removable countersink bit
    Patent number: 8025466
    Abstract: A removable countersink bit comprises a body, a flange, at least one clamp, and a plurality of cutting teeth. The removable countersink bit creates countersink holes for receiving manhole fixtures and the like.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: September 27, 2011
    Inventor: Marty D. Hunt
  • Removable countersink bit
    Publication number: 20090035079
    Abstract: A removable countersink bit comprises a body, a flange, at least one clamp, and a plurality of cutting teeth. The removable countersink bit creates countersink holes for receiving manhole fixtures and the like.
    Type: Application
    Filed: May 16, 2008
    Publication date: February 5, 2009
    Inventor: Marty D. Hunt