Granted Patent
Utility
US 5,867,566 · App. 08/709,211
Real-time billing system for a call processing system
Inventors:
Steven J. Hogan, Kristi T. Feltz, Douglas R. Murdock
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Aug 27, 1996
Inventors
Steven J. Hogan
Kristi T. Feltz
Douglas R. Murdock
Assignee (at issue)
Link USA Corp.
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.