Granted Patent
Utility
US 4,615,601 · App. 06/685,301
Exposure control apparatus of a camera
Inventor:
Yuji Okubo
Patented Case
View Patent ↗
Granted: Oct 7, 1986
Filed: Dec 24, 1984
Inventor
Yuji Okubo
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.