Granted Patent
Utility
US 4,373,790 · App. 06/281,180
Camera having a flashlight photography recommendation device
Inventor:
Yoshiaki Ohtsubo
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Jul 7, 1981
Inventor
Yoshiaki Ohtsubo
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.