Patents by Inventor Thomas P. De Franco

Thomas P. De Franco 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).

  • Shadow mask thermal compensating assembly
    Patent number: 3935497
    Abstract: Three substantially L-shaped bimetallic brackets accurately secured to the frame of a color television picture tube undergo corrective flexures in response to temperature variations. These flexures compensate for the thermal expansion of the shadow mask by maintaining the mask in proper alignment between the glass panel and the electron source over the operating temperature range of the picture tube.
    Type: Grant
    Filed: July 5, 1968
    Date of Patent: January 27, 1976
    Assignee: Admiral Corporation
    Inventors: Richard H. Cowles, Thomas P. De Franco, Roy Maskell