Patents by Inventor Robert G. Sephton

Robert G. Sephton 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 and apparatus for high energy radiography
    Patent number: 4868399
    Abstract: Apparatus for use as a detection system in the production of portal radiographs in high energy radiography, comprising an assembly containing a metal screen (7), a fluorescent screen (8), and a high contrast photographic film (6). A method for production of portal radiographs using this apparatus is also disclosed.
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: September 19, 1989
    Assignee: The Cancer Institute Board
    Inventor: Robert G. Sephton