Patents by Inventor James D. Dupree

James D. Dupree 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).

  • Captive panel screw assembly
    Patent number: 4952107
    Abstract: A captive screw assembly for an edge lighted panel assembly of the type used in aircraft cockpits and the like. A screw carried in a resilient washer having a lip for retaining the screw and deflectable fingers for insertion into a panel opening for retaining the washer and screw in the panel. Typically the plate carries switches and other components and the panel is attached to the plate by the screws which engage threaded openings in the plate or in nuts carried by the plate.
    Type: Grant
    Filed: March 11, 1981
    Date of Patent: August 28, 1990
    Assignee: Dupree, Inc.
    Inventor: James D. Dupree