Granted Patent
Utility
US 6,745,021 · App. 09/717,731
System, controller and method for alerting mobile subscribers about emergency situations
Inventor:
Gilman R. Stevens
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Nov 21, 2000
Inventor
Gilman R. Stevens
Assignee (at issue)
ALCATEL
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.