Granted Patent
Utility
US 4,482,227 · App. 06/442,251
Film feeding method
Inventors:
Kazuo Shiozawa, Seiichi Isoguchi
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Nov 17, 1982
Inventors
Kazuo Shiozawa
Seiichi Isoguchi
Assignee (at issue)
Kazuo Shiozawa
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.