Granted Patent
Utility
US 4,344,679 · App. 06/080,585
Camera with photoelectric focus detecting device
Inventors:
Michio Yagi, Hiroshi Sawano
Patented Case
View Patent ↗
Granted: Aug 17, 1982
Filed: Oct 1, 1979
Inventors
Michio Yagi
Hiroshi Sawano
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
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.