Patents by Inventor Dale Jefferies

Dale Jefferies 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 illuminating and/or venting the interior of a building
    Publication number: 20040057231
    Abstract: Apparatus for illuminating the interior of a building through a roof of the building, the apparatus comprising a light transmissive panel 13 and a light directing duct 12. The panel 13 has an upper surface which is substantially identical in shape to an upper surface of a roof covering and lies in the plane of the said covering. The light directing duct 12 directs light from the panel 13 into the interior of the building.
    Type: Application
    Filed: July 15, 2003
    Publication date: March 25, 2004
    Inventors: Tony Skuse, Lee Rumley, Dale Jefferies