Granted Patent
Utility
US 6,236,861 · App. 09/126,381
Method for tracking mobile users in a cellular network
Inventors:
Zohar Naor, Hanoch Levy
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Jul 30, 1998
Inventors
Zohar Naor
Hanoch Levy
Assignee (at issue)
Ramot-University Authority for Applied Research and Development Ltd.
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.