Patents by Inventor Johannes H. Stover

Johannes H. Stover 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 of manufacturing a display tube
    Patent number: 4498884
    Abstract: When affixing the display screen to the cone and upon evacuating the display tube, the display screen and the cone are subjected to temperature treatments in which stresses occur in the display screen which might cause fracture of the display tube. In order to reduce the probability of fracture, during the temperature treatment measures are taken which infuence the temperature distribution over the display screen and the cone in such manner that the occurrence of stresses in the display screen is counteracted.
    Type: Grant
    Filed: February 11, 1982
    Date of Patent: February 12, 1985
    Assignee: U.S. Philips Corporation
    Inventors: Johannes H. Stover, Johannes A. Van Leeuwen