Granted Patent
Utility
US 6,151,503 · App. 08/992,657
Subscriber activated wireless telephone call rerouting system
Inventor:
David Chavez
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Dec 17, 1997
Inventor
David Chavez
Assignee (at issue)
LUCENT TECHNOLOGIES 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.