Granted Patent
Utility
US 4,525,744 · App. 06/416,090
Viewfinder optical arrangement of a camera
Inventors:
Soichi Nakamura, Kunio Konno
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Sep 8, 1982
Inventors
Soichi Nakamura
Kunio Konno
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.