Granted Patent
Utility
US 5,552,922 · App. 08/044,720
Optical system for projection display
Inventor:
Simon Magarill
Patented Case
View Patent ↗
Granted: Sep 3, 1996
Filed: Apr 12, 1993
Inventor
Simon Magarill
Assignee (at issue)
CORNING INCORPORATED
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.