Granted Patent
Utility
US 5,363,222 · App. 07/951,291
Compact optical system for a single light valve full-color projector
Inventor:
Arno G. Ledebuhr
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Feb 3, 1992
Inventor
Arno G. Ledebuhr
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.