Patents by Inventor Horst Ruopp

Horst Ruopp 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 with support means for suspending the mask
    Patent number: 4884005
    Abstract: The shadow mask (2) of a color picture tube has retaining springs (6) near its corners and parallel to its rim. The free ends of the retaining springs (6) extend into the corners of the faceplate (1), where they rest on spherical ends (10) of studs (5). The ends of the retaining springs (6) are bent so as to be perpendicular to the longitudinal axes of the studs (5).
    Type: Grant
    Filed: June 15, 1988
    Date of Patent: November 28, 1989
    Assignee: Nokia Graetz
    Inventors: Walter Kornaker, Horst Ruopp