Granted Patent
Utility
US 5,809,010 · App. 08/528,635
Tributary protection system
Inventor:
Paul Alan Bruce
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Sep 14, 1995
Inventor
Paul Alan Bruce
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.