Patents by Inventor Berry A. Cannon

Berry A. Cannon 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).

  • Single image plane two color photochromic display technique
    Patent number: 3953117
    Abstract: A bi-color, single-image plane character display technique wherein the chcters of two distinct colors are written by a scanned ultraviolet beam onto respective photochromic layers disposed on opposite sides of a film situated in the path of a projected light beam, which film is transparent to the light beam but opaque to the ultraviolet beam.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: April 27, 1976
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Berry A. Cannon