Granted Patent
Utility
US 6,163,597 · App. 08/388,058
Method and apparatus for routing calls placed to a virtual telephone number
Inventor:
Eric Voit
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Feb 10, 1995
Inventor
Eric Voit
Assignee (at issue)
Bell Atlantic Network Services
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.