Granted Patent
Utility
US 6,292,481 · App. 08/931,267
Inter-carrier signaling and usage accounting architecture for internet telephony
Inventors:
Eric Voit, Edward E. Balkovich, Robert D. Farris, William D. Goodman, Jayant G. Gadre, Patrick E. White, David E. Young
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Sep 16, 1997
Inventors
Eric Voit
Edward E. Balkovich
Robert D. Farris
William D. Goodman
Jayant G. Gadre
Patrick E. White
David E. Young
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.