Granted Patent
Utility
US 4,927,262 · App. 07/343,326
Multiple pupil projection display
Inventor:
Alfred S. Schwartz
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Apr 26, 1989
Inventor
Alfred S. Schwartz
Assignee (at issue)
Hughes Aircraft 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.