Granted Patent
Utility
US 6,775,365 · App. 09/649,239
Directed call return service
Inventor:
Steven E. Norby
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Aug 28, 2000
Inventor
Steven E. Norby
Assignee (at issue)
Qwest Communications International 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.