Granted Patent
Utility
US 4,294,525 · App. 06/196,358
Camera having a digital exposure value display device
Inventor:
Osamu Maida
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Oct 14, 1980
Inventor
Osamu Maida
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.