Granted Patent
Utility
US 4,451,150 · App. 06/360,683
Film take-up apparatus in camera usable together with a film magazine device
Inventor:
Osamu Maida
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Mar 22, 1982
Inventor
Osamu Maida
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.