Patents by Inventor Michael K. Cation

Michael K. Cation 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).

  • Access control system and method using user location information for controlling access to a restricted area
    Patent number: 8009013
    Abstract: A method of controlling access to a restricted area including receiving location information from at least one supplemental tracking source which tracks location of an authorized user, and controlling access by the authorized user to a restricted area based on the location information. The method may further include maintaining a muster based on the location information. A physical access control system for controlling access to a restricted area including a user location information system and an access system which controls access based on the location information. The user location information system may further maintain a muster based on the location information. The user location information system receives location information indicating location of an authorized user from at least one supplemental tracking source.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: August 30, 2011
    Inventors: Robert A. Hirschfeld, Michael K. Cation