Patents by Inventor Donald H. Sullivan

Donald H. Sullivan 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).

  • Apparatus for securely and safely partitioning an area
    Patent number: 5996287
    Abstract: A storage partition adapted for partitioning an area proximate a corner or along a flat wall having a partitioning means selectively repositionable between (a) a first position wherein access to the area is prohibited and (b) a second position wherein unimpeded rolling access to the area, via a floor surface, is permissible.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: December 7, 1999
    Inventor: Donald H. Sullivan