Granted Patent
Utility
US 6,597,112 · App. 09/635,671
Photocathode for night vision image intensifier and method of manufacture
Inventor:
Roger Sillmon
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Aug 10, 2000
Inventor
Roger Sillmon
Assignee (at issue)
ITT MANUFACTURING ENTERPRISES LLC
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.