Granted Patent
Utility
US 6,646,549 · App. 10/116,683
Emergency call network and system with graphical user interface
Inventor:
Brian Dawson
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Apr 2, 2002
Inventor
Brian Dawson
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.