Granted Patent
Utility
US 4,332,467 · App. 06/163,775
Developing device in electrostatic copying apparatus
Inventors:
Hiroshi Kimura, Toshikazu Matsui, Masahiko Hisajima, Yutaka Shigemura, Yoichiro Irie, Kiyoshi Morimoto
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Jun 27, 1980
Inventors
Hiroshi Kimura
Toshikazu Matsui
Masahiko Hisajima
Yutaka Shigemura
Yoichiro Irie
Kiyoshi Morimoto
Assignee (at issue)
Mita Industrial 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.