Patents by Inventor Cormio Ignazio

Cormio Ignazio 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: 4308485
    Abstract: A shadow-mask cathode ray tube for the visualization of colors, such as in television, where the peripheral edge of the mask is rigid with the frame fixed on the tube plate and is in contact with said frame only in areas spaced from each other. The frame is formed with bosses providing its contact in reduced cross-section areas spaced from each other with the edge of the mask.
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: December 29, 1981
    Assignee: Videocolor, S. A.
    Inventor: Cormio Ignazio