Granted Patent
Utility
US 5,268,570 · App. 07/811,781
Transmission mode InGaAs photocathode for night vision system
Inventor:
Hyo-Sup Kim
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Dec 20, 1991
Inventor
Hyo-Sup Kim
Assignee (at issue)
Litton Systems, 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.