Granted Patent
Utility
US 4,390,259 · App. 06/300,584
Flash output control apparatus for camera
Inventors:
Mikio Takemae, Yuji Ohkubo
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: Sep 9, 1981
Inventors
Mikio Takemae
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.