Granted Patent
Utility
US 4,804,258 · App. 06/859,297
Four mirror afocal wide field of view optical system
Inventor:
Reynold S. Kebo
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: May 5, 1986
Inventor
Reynold S. Kebo
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.