Granted Patent
Utility
US 5,790,171 · App. 08/575,874
Video dial tone network synchronization
Inventors:
Frank Klopfer, Amos Lucas, David M. Little, Lisa M. Sprangel
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Dec 22, 1995
Inventors
Frank Klopfer
Amos Lucas
David M. Little
Lisa M. Sprangel
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.