Patents by Inventor Douglas L. Henness

Douglas L. Henness 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).

  • Security device for locking a vehicle wheel
    Patent number: 5934118
    Abstract: A security device for preventing rotation of a wheel on a vehicle, such as a trailer. The security device includes a base member attachable to the vehicle wheel and a cover member for positioning over the base member wherein the cover member supports a bar extending beyond the radius of the vehicle wheel. The base member and cover member are formed having a cooperating non-circular shape whereby the cover member is prevented from rotating relative to the base member.
    Type: Grant
    Filed: May 19, 1998
    Date of Patent: August 10, 1999
    Inventor: Douglas L. Henness