Granted Patent
Utility
US 6,601,031 · App. 09/627,286
Speech recognition front end controller to voice mail systems
Inventor:
Stephen O'Brien
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Jul 28, 2000
Inventor
Stephen O'Brien
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.