Granted Patent
Utility
US 6,738,809 · App. 09/137,688
Network presence indicator for communications management
Inventors:
Michel Albert Brisebois, Desmond J. Ryan, Marilyn French-St. George, Laura Mahan, John I. Johnson, Jobe L. W. Roberts
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Aug 21, 1998
Inventors
Michel Albert Brisebois
Desmond J. Ryan
Marilyn French-St. George
Laura Mahan
John I. Johnson
Jobe L. W. Roberts
Assignee (at issue)
Nortel Networks Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.