Patents by Inventor Charles J. Whelchel

Charles J. Whelchel 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).

  • Method and apparatus for making electric connections into a compliant sealed package
    Patent number: 4550039
    Abstract: A flat panel display of the type in which an electrode structure is disposed in a vacuum chamber between a front glass panel and a foil backing sheet is provided with a gas-impervious electrical connector sealably mounted over an opening in the foil sheet so as to be physically held in place within the panel by the ambient pressure on the exterior side of the connector.
    Type: Grant
    Filed: March 1, 1984
    Date of Patent: October 29, 1985
    Assignee: Lucitron, Inc.
    Inventors: David Glaser, Charles J. Whelchel
  • Flat-panel display and method of manufacture
    Patent number: 4427479
    Abstract: A flat-panel display is constructed by sealing a metal flange to a frame on a glass pane, then mounting an electrode structure against the pane within the frame, then placing an impervious malleable sheet over the electrode structure, then sealing the sheet to the flange, and then pumping air from the space between the sheet and the glass pane, and backfilling as required.
    Type: Grant
    Filed: January 4, 1982
    Date of Patent: January 24, 1984
    Inventors: David Glaser, Charles J. Whelchel
  • Flat-panel display and method of manufacture
    Patent number: 4339482
    Abstract: A flat-panel display is constructed by sealing a metal flange to a frame on a glass pane, then mounting an electrode structure against the pane within the frame, then placing an impervious malleable sheet over the electrode structure, then sealing the sheet to the flange, and then pumping air from the space between the sheet and the glass pane, and backfilling as required.
    Type: Grant
    Filed: August 29, 1980
    Date of Patent: July 13, 1982
    Assignee: Lucitron, Inc.
    Inventors: David Glaser, Charles J. Whelchel