Granted Patent
Utility
US 5,999,521 · App. 08/870,329
System and method for providing local services to a wireless telephone served by another system
Inventor:
Robin Jeffrey Thompson
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Jun 6, 1997
Inventor
Robin Jeffrey Thompson
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.