Patents by Inventor Douglas C. Shannon

Douglas C. Shannon 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).

  • Vehicle for use with games or demonstrative tools
    Patent number: 5720646
    Abstract: Disclosed is a vehicle having a body portion which may be rolled upon and secured to a mating surface. In one embodiment, the vehicle comprises a first axle having a wheel member mounted thereon and a second axle having another wheel member mounted thereon. Each of the wheel members comprise an integral fastening portion of the same material as the wheel that is engagable with the mating surface so that the vehicle may be secured to the mating surface regardless of the orientation of the mating surface.
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: February 24, 1998
    Inventors: Suel G. Shannon, Douglas C. Shannon