Patents by Inventor Keith T. Raysby

Keith T. Raysby 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: 4613855
    Abstract: The display device of the present invention includes an upper top plate and a lower substrate, which are joined together to form a plasma filled envelope therebetween. At least one edge of the upper plate extends beyond the envelope, and includes anode drivers attached thereto. At least one edge of the substrate also extends beyond the envelope and includes cathode drivers attached thereto. The cathodes are connected to the cathode drivers and extend within the envelope in parallel relation to one another. The anodes are connected to the anode drivers and extend within the envelope in parallel relation to one another, and in a direction which is perpendicular to the cathodes.
    Type: Grant
    Filed: March 5, 1984
    Date of Patent: September 23, 1986
    Assignee: Dale Electronics, Inc.
    Inventors: Herman R. Person, Joseph F. Hesse, Keith T. Raysby