Granted Patent
Utility
US 6,646,997 · App. 09/426,684
Large-scale, fault-tolerant audio conferencing in a purely packet-switched network
Inventors:
Warren Edward Baxley, Gregory A. Clemson, William Ernstrom, Eric Nylander, Thomas W. Stark, Thomas E. Yackey, Jr.
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Oct 25, 1999
Inventors
Warren Edward Baxley
Gregory A. Clemson
William Ernstrom
Eric Nylander
Thomas W. Stark
Thomas E. Yackey, Jr.
Assignee (at issue)
Voyant Technologies, 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.