Granted Patent
Utility
US 4,775,898 · App. 07/084,810
Display device in a video instrument
Inventors:
Jun Akabane, Tetsuya Yamamoto
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Aug 13, 1987
Inventors
Jun Akabane
Tetsuya Yamamoto
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.