Granted Patent
Utility
US 6,449,485 · App. 09/235,627
Technique for mobile wireless device location
Inventor:
Claudio Anzil
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Jan 22, 1999
Inventor
Claudio Anzil
Assignee (at issue)
International Business Machines Corporation
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.