Patents by Inventor David Dwayne Tunno

David Dwayne Tunno 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).

  • Universal step bumper receiver style trailer hitch
    Publication number: 20080111347
    Abstract: A receiver style hitch applicable to a step type vehicle bumper that mounts to the step portion of the bumper only by means of the existing hole intended for a ball hitch.
    Type: Application
    Filed: November 13, 2007
    Publication date: May 15, 2008
    Inventor: David Dwayne Tunno