Granted Patent
Utility
US 5,553,129 · App. 08/086,956
Method and apparatus for treating calls based on receipt of telecommunications carrier code indications
Inventor:
B. Waring Partridge, III
Patented Case
View Patent ↗
Granted: Sep 3, 1996
Filed: Jul 2, 1993
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.