Granted Patent
Utility
US 4,901,116 · App. 07/282,828
Developing apparatus
Inventors:
Satoshi Haneda, Kunihiko Yoshino
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Dec 8, 1988
Inventors
Satoshi Haneda
Kunihiko Yoshino
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.