Granted Patent
Utility
US 4,775,217 · App. 07/028,904
Night vision viewing system
Inventor:
Stafford M. Ellis
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Mar 23, 1987
Inventor
Stafford M. Ellis
Assignee (at issue)
GEC Avionics Limited
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.