Granted Patent
Utility
US 6,711,241 · App. 09/441,565
Internet telephone service
Inventors:
Patrick E. White, Robert D. Farris
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Nov 17, 1999
Inventors
Patrick E. White
Robert D. Farris
Assignee (at issue)
Verizon Services 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.