Granted Patent
Utility
US 4,401,382 · App. 06/298,952
Image transfer type copying machine
Inventors:
Teruo Minejima, Isao Sakurai
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Sep 3, 1981
Inventors
Teruo Minejima
Isao Sakurai
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.