Patents by Inventor Stephen D. Harris

Stephen D. Harris 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).

  • LIGHT VALVE TO ENHANCE DISPLAY BRIGHTNESS
    Publication number: 20090016078
    Abstract: A display system (300) that includes a first display (302) and at least a second display (304). A light guide (330) can be positioned between the first display and the second display. Further, a light valve (342) can be positioned between the light guide and the second display. The light valve can be operable between a first state in which the light valve is substantially optically clear and a second state in which the light valve is not substantially optically clear. For example, the light valve can be substantially opaque in the second state. The display system (300) can be integrated into a display device (500). The display device can be a hinged display device.
    Type: Application
    Filed: July 9, 2007
    Publication date: January 15, 2009
    Applicant: MOTOROLA, INC.
    Inventors: Thomas D. Murray, Paul D. Crouch, Stephen D. Harris
  • Asphalt compositions containing coated carbon fiber, methods for their manufacture and use
    Patent number: 6488755
    Abstract: Asphalt compositions as well as asphalt paving compositions are improved by the inclusion of coated mesophase pitch carbon fibers having wax or waxy coatings to such compositions. Uses of such asphalt compositions, particularly with aggregates to form asphalt paving compositions are also disclosed.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: December 3, 2002
    Assignee: Conoco Inc.
    Inventors: Paul E. Seyler, Stephen D. Harris, John Byron Sudbury, Jeff D. Meyers