Granted Patent
Utility
US 5,535,263 · App. 08/322,647
Method for recording subscriber specific messages in an advanced intelligent network
Inventor:
Mark S. Blumhardt
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Oct 13, 1994
Inventor
Mark S. Blumhardt
Assignee (at issue)
US West 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.