Granted Patent
Utility
US 6,707,796 · App. 09/307,190
System device and method for reducing forwarding states in a communication system
Inventor:
Yunzhou Li
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: May 7, 1999
Inventor
Yunzhou Li
Assignee (at issue)
Nortel Networks Limited
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.