Granted Patent
Utility
US 6,349,136 · App. 09/359,784
System and method for controlling a conference call
Inventors:
Jeffrey Ross Light, Alex Lawrence Wierzbicki, Randall Joe Wilson
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Jul 23, 1999
Inventors
Jeffrey Ross Light
Alex Lawrence Wierzbicki
Randall Joe Wilson
Assignee (at issue)
LUCENT 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.