Patents by Inventor Roy Ballantine

Roy Ballantine 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).

  • User interface for a computer screen
    Patent number: D492322
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: June 29, 2004
    Assignee: Cognos Incorporated
    Inventors: David Dewar, Roy Ballantine, Scott McEwen