Granted Patent
Utility
US 6,172,644 · App. 09/229,130
Emergency location method for a wireless location system
Inventor:
Louis A. Stilp
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Jan 12, 1999
Inventor
Louis A. Stilp
Assignee (at issue)
TruePosition, 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.