Patents by Inventor Alan Frank Parker

Alan Frank Parker 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).

  • Illumination device having optical particles for diffusing light
    Patent number: 7220025
    Abstract: An illumination device comprising: a body member; one or more sources of light aligned on a longitudinal axis of, and lying within, the body member; one or more transparent regions of the body member through which light from the or each source passes when the source or sources are energized; and optical particles such as balls or chips of glass lying in the body member and extending between the or each source and that side of the or each transparent region which is directed towards the inside of the body member.
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: May 22, 2007
    Assignee: Beadlight Limited
    Inventor: Alan Frank Parker
  • Illumination device
    Publication number: 20040042207
    Abstract: An illumination device comprising: a body member; one or more sources of light aligned on a longitudinal axis of, and lying within, the body member; one or more transparent regions of the body member through which light from the or each source passes when the source or sources are energized; and optical particles such as balls or chips of glass lying in the body member and extending between the or each source and that side of the or each transparent region which is directed towards the inside of the body member.
    Type: Application
    Filed: August 28, 2003
    Publication date: March 4, 2004
    Inventor: Alan Frank Parker