Granted Patent
Utility
US 4,592,625 · App. 06/469,015
Double-conjugate maintaining optical system
Inventors:
Makoto Uehara, Satoru Anzai, Kyoichi Suwa
Patented Case
View Patent ↗
Granted: Jun 3, 1986
Filed: Feb 23, 1983
Inventors
Makoto Uehara
Satoru Anzai
Kyoichi Suwa
Assignee (at issue)
Nippon Kogaku K.K.
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.