Granted Patent
Utility
US 4,239,357 · App. 06/012,520
Camera for automatic and manual focusing
Inventor:
Yozo Iida
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Feb 15, 1979
Inventor
Yozo Iida
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.