Granted Patent
Utility
US 4,611,877 · App. 06/763,965
Optical projectors for head up displays
Inventor:
Stafford M. Ellis
Patented Case
View Patent ↗
Granted: Sep 16, 1986
Filed: Aug 9, 1985
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.