Granted Patent
Utility
US 4,480,911 · App. 06/390,829
Developing apparatus and a developing method of an electrostatic image
Inventors:
Masahiko Itaya, Satoshi Haneda, Makoto Tomono
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Jun 22, 1982
Inventors
Masahiko Itaya
Satoshi Haneda
Makoto Tomono
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.