Granted Patent
Utility
US 4,385,735 · App. 06/212,623
Motor drive device for a long film
Inventor:
Koichi Daitoku
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Dec 3, 1980
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.