Patents by Inventor G. Harold Cobb

G. Harold Cobb 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).

  • Erasure means for charge storage device
    Patent number: 3970889
    Abstract: In a charge storage device, such as a high resolution scan converter tube, flood guns are incorporated to scan the target with substantially unfocused high current electron beams to provide the erasure thereof.
    Type: Grant
    Filed: November 21, 1973
    Date of Patent: July 20, 1976
    Assignee: Tektronix, Inc.
    Inventor: G. Harold Cobb