Granted Patent
Utility
US 6,810,036 · App. 09/224,674
Caller IP address
Inventors:
Luan Dang, Wilkie Lau
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Dec 31, 1998
Inventors
Luan Dang
Wilkie Lau
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.