Granted Patent
Utility
US 5,684,921 · App. 08/501,852
Method and system for identifying a corrupted speech message signal
Inventors:
Aruna Bayya, Louis A. Cox, Jr., Marvin L. Vis
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Jul 13, 1995
Inventors
Aruna Bayya
Louis A. Cox, Jr.
Marvin L. Vis
Assignee (at issue)
US West 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.