Granted Patent
Utility
US 6,178,231 · App. 08/937,578
Method and system for generating predetermined messages during selected calls-in-progress
Inventor:
Jafar Nabkel
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Sep 25, 1997
Inventor
Jafar Nabkel
Assignees (at issue)
Qwest Communications International Inc.
MediaOne Group, 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.