Granted Patent
Utility
US 4,882,743 · App. 07/226,491
Multi-location video conference system
Inventor:
M. Fatein Mahmoud
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: Aug 1, 1988
Inventor
M. Fatein Mahmoud
Assignees (at issue)
American Telephone and Telegraph, Co.
AT&T Bell Laboratories
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.