Granted Patent
Utility
US 6,137,863 · App. 08/763,382
Statistical database correction of alphanumeric account numbers for speech recognition and touch-tone recognition
Inventors:
Deborah W. Brown, Randy G. Goldberg, Stephen Michael Marcus, Richard R. Rosinski, Benjamin J. Stern
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Dec 13, 1996
Inventors
Deborah W. Brown
Randy G. Goldberg
Stephen Michael Marcus
Richard R. Rosinski
Benjamin J. Stern
Assignee (at issue)
AT&T CORP.
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.