Granted Patent
Utility
US 5,473,671 · App. 08/212,547
Selective screening of incoming calls for cellular telephone systems
Inventor:
B. Waring Partridge, III
Patented Case
View Patent ↗
Granted: Dec 5, 1995
Filed: Mar 11, 1994
Inventor
B. Waring Partridge, III
Assignee (at issue)
AT&T CORP.
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.