Granted Patent
Utility
US 5,917,901 · App. 08/549,685
Telecommunications system
Inventors:
Deborah Claire Maxwell, Brian Day
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Dec 18, 1995
Inventors
Deborah Claire Maxwell
Brian Day
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.