Granted Patent
Utility
US 6,728,671 · App. 09/537,330
Automatic speech recognition caller input rate control
Inventor:
Mark A. Johnson
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Mar 29, 2000
Inventor
Mark A. Johnson
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.