Granted Patent
Utility
US 5,379,337 · App. 07/747,151
Method and system for providing emergency call service
Inventors:
Michael J. Castillo, Lisa M. Neal, Michael Jay Nelson, John R. Rice
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: Aug 16, 1991
Inventors
Michael J. Castillo
Lisa M. Neal
Michael Jay Nelson
John R. Rice
Assignee (at issue)
U S West Advanced 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.