Patents by Inventor Dudley R. Ryals

Dudley R. Ryals 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).

  • Patent number: 5080387
    Abstract: A collapsible utility carrier is provided having an expandable load bearing base frame supported by a rear upright member having wheels attached thereto and a forward upright member having a handle. The forward and rear upright supports are collapsible onto the base frame, as well as the handle, to facilitate storage of the unloaded carrier. The base frame of the carrier is expandable to accommodate a variety of load sizes.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: January 14, 1992
    Inventor: Dudley R. Ryals