Granted Patent
Utility
US 6,205,488 · App. 09/191,845
Internet protocol virtual private network realization using multi-protocol label switching tunnels
Inventors:
Liam Casey, Ian M. Cunningham, Robert W. Eros
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Nov 13, 1998
Inventors
Liam Casey
Ian M. Cunningham
Robert W. Eros
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.