Patents by Inventor Robert R. Summers

Robert R. Summers 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).

  • A-frame mounted on a flat bed trailer
    Patent number: 6935668
    Abstract: A pair of opposed A-frames are positioned uprightly on a flat bed chassis. A downwardly descending side leg on each side of each A-frame rests on an axially mounted beam. The beam is attached to the underside of the flat bed chassis and extends outwardly from a side surface of the flat bed trailer and is angled upwardly to support a bottom edge of a building material slab or sheet.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: August 30, 2005
    Inventor: Robert R. Summers