Granted Patent
Utility
US 5,729,545 · App. 08/588,673
Control of video dialtone connections
Inventor:
Roger Edward Libman
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Jan 17, 1996
Inventor
Roger Edward Libman
Assignee (at issue)
LUCENT TECHNOLOGIES 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.