Granted Patent
Utility
US 6,628,767 · App. 09/449,463
Active talker display for web-based control of conference calls
Inventors:
Pierre D. Wellner, Stephen T. Dacek, Arthur A. Goikhman, Cary Torkelson
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Nov 27, 1999
Inventors
Pierre D. Wellner
Stephen T. Dacek
Arthur A. Goikhman
Cary Torkelson
Assignee (at issue)
Spiderphone.com, 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.