Granted Patent
Utility
US 5,373,549 · App. 07/996,348
Multi-level conference management and notification
Inventors:
Bruce M. Bales, Robert L. Crumpley, Donald D. Gallagher, Stephen M. Thieler
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: Dec 23, 1992
Inventors
Bruce M. Bales
Robert L. Crumpley
Donald D. Gallagher
Stephen M. Thieler
Assignee (at issue)
AT&T CORP.
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.