Granted Patent
Utility
US 6,198,916 · App. 09/305,382
Call screening in wireless systems
Inventors:
Ronald Martin, Randall Joe Wilson
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: May 5, 1999
Inventors
Ronald Martin
Randall Joe Wilson
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.