Granted Patent
Utility
US 5,848,142 · App. 08/722,685
Advanced call waiting processing
Inventor:
Rhoda Yaker
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Sep 30, 1996
Inventor
Rhoda Yaker
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.