Granted Patent
Utility
US 6,163,335 · App. 09/031,085
Multiple-mode videoconferencing arrangement
Inventor:
Keith Barraclough
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Feb 26, 1998
Inventor
Keith Barraclough
Assignee (at issue)
ENERGY PARTNER NETWORK INC
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.