Patents by Inventor Arnold Roth

Arnold Roth 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).

  • Cathode ray tube
    Patent number: 5942847
    Abstract: A grid arrangement with a plurality of control grids with a layered design with ceramic spacers for a cathode ray tube. The grid arrangement can be manufactured in a simple manner and reliably with high precision even in the case of very small dimensions. Very low grid capacity can be reached by structuring the conductor layers.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: August 24, 1999
    Assignee: AEG Elektronische Rohren GmbH
    Inventor: Arnold Roth