Patents by Inventor Gunter A. G. Hofmann

Gunter A. G. Hofmann 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 forming a composite electrode
    Patent number: 3947342
    Abstract: Composite electrodes for a crossed-field switch device is formed by positioning a refractory metal structure substantially at the location of its first electrode, sputtering metal from the refractory metal structure onto the second electrode so that the second electrode is coated with refractory material, then removing the refractory metal structure and replacing the first electrode, followed by back sputtering onto the first electrode.
    Type: Grant
    Filed: January 24, 1975
    Date of Patent: March 30, 1976
    Assignee: Hughes Aircraft Company
    Inventor: Gunter A. G. Hofmann