Granted Patent
Utility
US 4,375,327 · App. 06/328,919
Roller fixing device
Inventors:
Kenichi Matsumoto, Hiroaki Ura, Tamio Ogino, Junichi Koiso
Patented Case
View Patent ↗
Granted: Mar 1, 1983
Filed: Dec 9, 1981
Inventors
Kenichi Matsumoto
Hiroaki Ura
Tamio Ogino
Junichi Koiso
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.