Granted Patent
Utility
US 4,367,944 · App. 06/234,410
Charging potential control means for electrophotographic copiers
Inventor:
Hiroshi Kuru
Patented Case
View Patent ↗
Granted: Jan 11, 1983
Filed: Feb 13, 1981
Inventor
Hiroshi Kuru
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.