Granted Patent
Utility
US 4,371,244 · App. 06/230,015
Apparatus for controlling film advancement in a camera
Inventors:
Koichi Daitoku, Kenji Sekine, Nobuo Matsukawa, Shiro Sugimori
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Jan 30, 1981
Inventors
Koichi Daitoku
Kenji Sekine
Nobuo Matsukawa
Shiro Sugimori
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.