Granted Patent
Utility
US 5,506,869 · App. 08/329,922
Methods and apparatus for estimating carrier-to-interference ratios at cellular radio base stations
Inventor:
Claude Royer
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Oct 27, 1994
Inventor
Claude Royer
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.