Granted Patent
Utility
US 6,023,513 · App. 08/587,126
System and method for improving clarity of low bandwidth audio systems
Inventor:
Eliot M. Case
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Jan 11, 1996
Inventor
Eliot M. Case
Assignees (at issue)
U S West, Inc.
MediaOne Group, 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.