Granted Patent
Utility
US 4,733,955 · App. 06/851,325
Reflective optical triplet having a real entrance pupil
Inventor:
Lacy G. Cook
Patented Case
View Patent ↗
Granted: Mar 29, 1988
Filed: Apr 14, 1986
Inventor
Lacy G. Cook
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.