Granted Patent
Utility
US 5,363,441 · App. 08/195,595
Technique for reducing echoes in conference communications
Inventors:
Alexander Feiner, Gi-Hong Im, Joseph G. Kneuer, Burton R. Saltzberg, Jean-Jacques Werner
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Feb 14, 1994
Inventors
Alexander Feiner
Gi-Hong Im
Joseph G. Kneuer
Burton R. Saltzberg
Jean-Jacques Werner
Assignee (at issue)
AT&T Bell Laboratories
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.