Granted Patent
Utility
US 5,450,123 · App. 08/293,254
Method to enhance voice communications using encoded one-way video signals under bi-directional user or network control for transmitting stored or real-time video or image information
Inventor:
David B. Smith
Patented Case
View Patent ↗
Granted: Sep 12, 1995
Filed: Aug 19, 1994
Inventor
David B. Smith
Assignee (at issue)
AT&T 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.