Granted Patent
Utility
US 4,902,116 · App. 07/199,537
Helmet display systems
Inventor:
Stafford M. Ellis
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: May 27, 1988
Inventor
Stafford M. Ellis
Assignee (at issue)
GEC-Marconi Ltd.
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.