Granted Patent
Utility
US 4,477,174 · App. 06/396,104
Developing device
Inventors:
Satoshi Haneda, Makoto Tomono, Masahiko Itaya
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: Jul 7, 1982
Inventors
Satoshi Haneda
Makoto Tomono
Masahiko Itaya
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.