Granted Patent
Utility
US 6,493,479 · App. 09/545,547
Crosspoint switch protection using additional switching elements to provide alternate paths
Inventor:
Alan Briggs
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Apr 7, 2000
Inventor
Alan Briggs
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.