Granted Patent
Utility
US 5,347,568 · App. 08/089,846
Emergency call station identification system
Inventors:
Martin Moody, Donald Madson, Gordan Osgood
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Jul 9, 1993
Inventors
Martin Moody
Donald Madson
Gordan Osgood
Assignee (at issue)
Telident, Incorporated
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.