Granted Patent
Utility
US 6,728,340 · App. 10/331,995
Targeted disaster warning system and method
Inventor:
R. Keith Vinson
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Dec 31, 2002
Inventor
R. Keith Vinson
Assignee (at issue)
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
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.