Patents by Inventor Christopher Lee French

Christopher Lee French 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).

  • Color picture tube having a low expansion tensioned mask attached to a higher expansion frame
    Patent number: 6720722
    Abstract: A color picture tube having a tensioned mask supported by a frame mounted within the tube. The frame is constructed of a carbon steel material, and the mask is constructed of a nickel alloy material that expands substantially less per unit length than does the frame in the normal operating temperature range of the tube, and expands substantially the same per unit length as the frame in the higher thermal cycling temperature range used during tube processing.
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: April 13, 2004
    Assignee: Thomson Licensing S.A.
    Inventors: Rein Roman Mutso, Edward Richard Garrity, Jr., Christopher Lee French
  • Color picture tube having a low expansion tensioned mask attached to a higher expansion frame
    Publication number: 20030173887
    Abstract: A color picture tube having a tensioned mask supported by a frame mounted within the tube. The frame is constructed of a carbon steel material, and mask is constructed of a nickel alloy material that expands substantially less per unit length than does the frame in the normal operating temperature range of said tube, and expands substantially the same per unit length as said frame in the higher thermal cycling temperature range used during tube processing.
    Type: Application
    Filed: March 13, 2002
    Publication date: September 18, 2003
    Inventors: Rein Roman Mutso, Edward Richard Garrity, Christopher Lee French