Granted Patent
Utility
US 4,530,581 · App. 06/529,985
Information display device for camera
Inventor:
Yuji Ohkubo
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Sep 8, 1983
Inventor
Yuji Ohkubo
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.