Granted Patent
Utility
US 6,751,747 · App. 09/737,449
System, device, and method for detecting and recovering from failures in a multicast communication system
Inventor:
Yunzhou Li
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Dec 14, 2000
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.