Patents by Inventor Bradley W. Greene

Bradley W. Greene 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: 5450637
    Abstract: A folding sofa bed frame having head, intermediate and foot bed sections pivotally connected end-to-end and constrained by a linkage arrangement to move in a predetermined pattern between a folded position and a horizontally extended position. A transverse mattress support bar is affixed to a pivoting bell crank link for movement of the mattress support bar into a dropped position spaced below the intermediate section when the structure is extended, thereby out of interference with comfortable sleeping use of the bed frame.
    Type: Grant
    Filed: March 7, 1994
    Date of Patent: September 19, 1995
    Assignee: Hickory Springs Manufacturing Company
    Inventors: Fred E. Hanes, Bradley W. Greene