Granted Patent
Utility
US 6,151,620 · App. 08/956,145
Conference messaging system
Inventors:
Harold J. Madsen, Russell Lundberg, Michael A. Allred
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Oct 22, 1997
Inventors
Harold J. Madsen
Russell Lundberg
Michael A. Allred
Assignee (at issue)
Novell, Inc.
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.