Granted Patent
Utility
US 4,471,378 · App. 06/108,681
Light and particle image intensifier
Inventor:
Sing Ng
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Dec 31, 1979
Inventor
Sing Ng
Assignee (at issue)
American Sterilizer Company
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.