Granted Patent
Utility
US 5,677,989 · App. 08/056,044
Speaker verification system and process
Inventors:
Michael Rabin, Max S. Schoeffler
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Apr 30, 1993
Inventors
Michael Rabin
Max S. Schoeffler
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.