Patents by Inventor Fred A. Ziel

Fred A. Ziel 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).

  • Patent number: 5757916
    Abstract: A method and apparatus for authenticating the identity of a remote user entity where the identity of such user entity is authenticated by use of information specific to geodetic location of the user entity but that changes constantly, making "spoofing" the host device extremely difficult. The invention is preferably implemented utilizing satellite positioning technology to produce the identifying information.
    Type: Grant
    Filed: October 6, 1995
    Date of Patent: May 26, 1998
    Assignee: International Series Research, Inc.
    Inventors: Peter F. MacDoran, Michael B. Mathews, Fred A. Ziel, Kenn L. Gold, Steven M. Anderson, Mark A. Coffey, Dorothy E. Denning