Granted Patent
Utility
US 6,389,397 · App. 09/220,254
User identification system using improved voice print identification processing
Inventor:
Mary Rita Otto
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Dec 23, 1998
Inventor
Mary Rita Otto
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.