Granted Patent
Utility
US 4,949,397 · App. 07/236,188
Detector for optically transmitted television signals
Inventor:
Lanny S. Smoot
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Aug 25, 1988
Inventor
Lanny S. Smoot
Assignee (at issue)
Bell Communications Research, 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.