Granted Patent
Utility
US 6,377,568 · App. 08/974,652
Method and apparatus for performing call matching for internet telephones in legacy call centers
Inventor:
Keith Kelly
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Nov 19, 1997
Inventor
Keith Kelly
Assignee (at issue)
NetSpeak Corporation
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.