Patents by Inventor Paul F. McDonough

Paul F. McDonough 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).

  • Modular wheel supported billboard panels with locking wedges
    Patent number: 4457090
    Abstract: An incremental sheet advertising sign assembly includes a plurality of substantially identical panels to be mounted on a rail frame. Grooved wheels are attached to the back of each panel in such a manner as to engage the uppermost rail of said frame. At least one locking track is mounted vertically along the back surface of each panel, and locking elements slide along the tracks and lock the panel to a lower rail of the rail frame.
    Type: Grant
    Filed: September 17, 1981
    Date of Patent: July 3, 1984
    Inventor: Paul F. McDonough