Granted Patent
Utility
US 4,231,646 · App. 06/007,627
Camera which permits automatic focusing and manual focusing
Inventor:
Yozo Iida
Patented Case
View Patent ↗
Granted: Nov 4, 1980
Filed: Jan 29, 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.