Granted Patent
Utility
US 4,281,912 · App. 06/139,761
Control circuit for camera or motor drive device
Inventor:
Osamu Maida
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Apr 14, 1980
Inventor
Osamu Maida
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.