Granted Patent
Utility
US 6,453,039 · App. 09/334,192
Method and apparatus for robust call routing
Inventors:
Simon Cutting, Raechel Crosby
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Jun 16, 1999
Inventors
Simon Cutting
Raechel Crosby
Assignee (at issue)
Cisco Systems 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.