Patents by Inventor Philip C. Hughes

Philip C. Hughes 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: 5919217
    Abstract: A bright-light portable phototherapy unit to modify biological rhythms has a housing in which there is a source for producing light energy having a major portion in the visible light range. The housing is to be placed adjacent to the body of a user for positioning and directing the light from the source through an opening in the housing to be applied to the eyes of the user. The light source can be one or more fluorescent lamps and the light incident on the eyes preferably is at least 2,000 lux and, more preferably, at least 8,000 lux.
    Type: Grant
    Filed: April 15, 1993
    Date of Patent: July 6, 1999
    Assignee: Medic-Light, Inc.
    Inventor: Philip C. Hughes
  • Patent number: D285849
    Type: Grant
    Filed: September 20, 1984
    Date of Patent: September 23, 1986
    Inventor: Philip C. Hughes
  • Patent number: D483552
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: December 16, 2003
    Inventor: Philip C. Hughes