Granted Patent
Utility
US 4,339,189 · App. 06/226,510
Film advance restraining device of a camera
Inventor:
Yoshiyuki Nakano
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Jan 19, 1981
Inventor
Yoshiyuki Nakano
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.