Granted Patent
Utility
US 4,422,746 · App. 06/299,788
Auto focus camera
Inventors:
Hiroshi Meguro, Nobuo Okabe
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Sep 4, 1981
Inventors
Hiroshi Meguro
Nobuo Okabe
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.