Granted Patent
Utility
US 4,401,377 · App. 06/322,574
Motor-driven film transporting device in a single lens reflex camera including means for selectively driving film in a wind-up mode and a rewind mode
Inventors:
Akihiko Sato, Kenichi Magariyama
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Nov 18, 1981
Inventors
Akihiko Sato
Kenichi Magariyama
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.