Patents by Inventor Fred Van Duyne

Fred Van Duyne 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: 4574863
    Abstract: The present invention relates to an apparatus for closing or opening an aisle in a supermarket or similar store. The apparatus includes a support member having a vertical surface having upper and lower U-channels adapted to slidingly receive a first panel. A second panel is hinged to the first panel by a biased hinge. A bar member having a finger is attached to the upper channel and is adapted to fit into or be raised from a position where the finger inhibits sliding movement of a first panel which is adapted to be slid between unextended and extended positions, with the second panel capable of rotation between folded and unfolded positions in which the biased hinge releasably holds the second panel in said positions.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: March 11, 1986
    Assignee: Melrose Displays, Inc.
    Inventors: Larry Coleman, Fred Van Duyne
  • Patent number: D269397
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: June 21, 1983
    Assignee: Melrose Displays, Inc.
    Inventor: Fred Van Duyne