Patents by Inventor William Soby

William Soby 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: 4269669
    Abstract: An electroplating arrangement, particularly suitable for forming stamper plates for video or audio recordings. The arrangement has a means for inhibiting flow of electrolyte from the region of the anode to the cathode. This means may be a tube which encloses the region between the cathode and anode and has a plurality of inwardly facing holes. Filtered electrolyte is supplied to the tube.
    Type: Grant
    Filed: April 23, 1980
    Date of Patent: May 26, 1981
    Assignee: EMI Limited
    Inventors: William Soby, Samuel J. B. Johnston