Patents by Inventor Donald I. Shoffner

Donald I. Shoffner 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: 4832421
    Abstract: A ready-to-assemble cabinet requiring no fasteners for assembly. Side panels interlock with a back panel, front rail, and shelves to form a free-standing, self-supporting unit.
    Type: Grant
    Filed: April 27, 1988
    Date of Patent: May 23, 1989
    Inventor: Donald I. Shoffner