Granted Patent
Utility
US 4,309,088 · App. 06/059,133
Film magazine having an identity mark for identifying sensitivity of the film and a camera therefor
Inventors:
Yasuo Uchida, Michio Yagi, Kazuo Shiozawa
Patented Case
View Patent ↗
Granted: Jan 5, 1982
Filed: Jul 20, 1979
Inventors
Yasuo Uchida
Michio Yagi
Kazuo Shiozawa
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
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.