Granted Patent
Utility
US 6,188,751 · App. 09/181,107
Call processing system with call screening
Inventor:
Gordon F. Scherer
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Oct 28, 1998
Inventor
Gordon F. Scherer
Assignee (at issue)
Convergys CMG Utah 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.