Granted Patent
Utility
US 6,690,931 · App. 09/223,189
Method of doing a broadcast service of a short message in a communication system
Inventor:
Cheol Kyun Heo
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Dec 30, 1998
Inventor
Cheol Kyun Heo
Assignee (at issue)
LG Information & Communications, Ltd.
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.