Granted Patent
Utility
US 6,766,020 · App. 09/792,826
System and method for comfort noise generation
Inventors:
Wenshun Tian, Youhong Lu
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Feb 23, 2001
Inventors
Wenshun Tian
Youhong Lu
Assignee (at issue)
3Com Corporation
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.