Patents by Inventor Carl E. Cromwell

Carl E. Cromwell 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).

  • Folding tray for attachment to a vehicle seat back
    Patent number: 5443018
    Abstract: A first box and a second box are connected to a base member. The base member may be attached to the back of a vehicle seat with a mounting harness. The second box and the first box can be moved to an open position, away from the seat back. The tops of the boxes can then be opened, or folded up to form an easel for holding a book. A handle is provided for using the invention apart from a vehicle.
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: August 22, 1995
    Inventor: Carl E. Cromwell