Granted Patent
Utility
US 5,897,613 · App. 08/947,205
Efficient transmission of voice silence intervals
Inventor:
Norman C. Chan
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Oct 8, 1997
Inventor
Norman C. Chan
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.