Granted Patent
Utility
US 4,386,844 · App. 06/122,709
Two-cycle electrophotographic copying apparatus in which a cleaning lamp and a neutralizing electrode are disposed on opposite sides of an electric charging device
Inventors:
Nin-ichi Kamogawa, Tadashi Umezawa, Masakazu Fukuchi
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Feb 19, 1980
Inventors
Nin-ichi Kamogawa
Tadashi Umezawa
Masakazu Fukuchi
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.