Granted Patent
Utility
US 6,662,006 · App. 10/188,521
Method and apparatus for providing calling number identification alias in communications system
Inventor:
David Glass
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Jul 2, 2002
Inventor
David Glass
Assignee (at issue)
AT&T WIRELESS SERVICES, INC.
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.