Granted Patent
Utility
US 4,639,113 · App. 06/782,104
Camera display device
Inventor:
Yuji Ohkubo
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Sep 30, 1985
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.