Patents by Inventor Robert E. Hammons

Robert E. Hammons 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).

  • Collapsible trailer
    Patent number: 4645230
    Abstract: The collapsible trailer described herein has a top adapted to mate with the upper edges of removable end and side wall panels. When the trailer is collapsed, the top mates directly with the bed of the trailer, thus forming a storage container for the wall panels. In addition, a readily removable wheel assembly is provided. The wheel normally is pivotable, but can be locked against pivoting when desired.
    Type: Grant
    Filed: December 13, 1983
    Date of Patent: February 24, 1987
    Inventor: Robert E. Hammons