Patents by Inventor Jon F. Spencer

Jon F. Spencer 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).

  • Secure computer system
    Patent number: 5937159
    Abstract: A system and method for controlling the access of users to a trusted computer system using an authentication and authorization database, containing information used to authenticate human users and information establishing what each user can do, and a number of software processes, including session initiation, authorization, credentials and database management daemons. The software processes are implemented in an independent fashion to prevent any process from performing an operation that would affect another process in an unauthorized way.
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: August 10, 1999
    Assignee: Data General Corporation
    Inventors: William J. Meyers, Marc J. Fraioli, Jon F. Spencer