Granted Patent
Utility
US 4,239,166 · App. 06/075,332
Power-driven rewind device of a camera
Inventor:
Koichi Daitoku
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Sep 13, 1979
Inventor
Koichi Daitoku
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.