6098116Apr 12, 1996Aug 1, 2000Fisher-Rosemont Systems, Inc.Process control system including a method and apparatus for automatically sensing the connection of devices to a networkUS6115040 *Sep 24, 1998Sep 5, 2000Mci Communications CorporationGraphical user interface for Web enabled applicationsUS6594355 *Oct 19, 1999Jul 15, 2003Worldcom, Inc.Method and apparatus for providing real time execution