Granted Patent
Utility
US 4,474,442 · App. 06/402,724
Film transport method and apparatus
Inventors:
Kazuo Shiozawa, Seiichi Isoguchi
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Jul 28, 1982
Inventors
Kazuo Shiozawa
Seiichi Isoguchi
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.