Patents by Inventor Brian Donald Johnston

Brian Donald Johnston 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).

  • Methods and apparatus for keystone effect
    Patent number: 7714293
    Abstract: A method includes mechanically correcting for a keystone effect on an x-ray detector.
    Type: Grant
    Filed: January 6, 2007
    Date of Patent: May 11, 2010
    Assignee: General Electric Company
    Inventors: Brian Donald Johnston, Baojun Li
  • Methods and Apparatus for Keystone Effect
    Publication number: 20080164419
    Abstract: A method includes mechanically correcting for a keystone effect on an x-ray detector.
    Type: Application
    Filed: January 6, 2007
    Publication date: July 10, 2008
    Inventors: Brian Donald Johnston, Baojun Li