Granted Patent
Utility
US 5,754,641 · App. 08/564,960
Method of screening outgoing calls via a video display
Inventors:
Eric Voit, Larry W. Sours, Lance S. Liptak, Kenneth E. DePaul
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Nov 30, 1995
Inventors
Eric Voit
Larry W. Sours
Lance S. Liptak
Kenneth E. DePaul
Assignee (at issue)
Bell Atlantic Network Services
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.