Patents by Inventor J. Lynn Fagan

J. Lynn Fagan 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: 5509058
    Abstract: A method of maintaining directory data in a switching system network having plural switching systems and a centralized directory data management system in which local directory data is stored at each switching system, A copy of directory data of all the switching systems is stored at the management system. Directory data entries of the directory data stored at the management system are associated with groups of switching systems. Data entries associated within each group are downloaded to the switching systems designated in that group.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: April 16, 1996
    Assignee: Mitel Corporation
    Inventors: Mark R. Sestak, Michael L. Wright, J. Lynn Fagan