Patents by Inventor John M. Pledger

John M. Pledger 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: 6592237
    Abstract: An add-on panel frame to draw air around ceiling light fixtures, by lowering the transparent panel to allow the circulation of air around the illumination source. The frame parts are supplied as four linear pieces which can be carried to the site in a slim box and combined at the site.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: July 15, 2003
    Inventor: John M. Pledger
  • Publication number: 20030123251
    Abstract: An add-on panel frame to draw air around ceiling light fixtures, by lowering the transparent panel to allow the circulation of air around the illumination source. The frame parts are supplied as four linear pieces which can be carried to the site in a slim box and combined at the site.
    Type: Application
    Filed: December 27, 2001
    Publication date: July 3, 2003
    Inventor: John M. Pledger