Granted Patent
Utility
US 6,775,362 · App. 10/092,075
Graphical telephone system
Inventor:
Maurice N. Ransom
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Mar 6, 2002
Inventor
Maurice N. Ransom
Assignee (at issue)
ALCATEL
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.