Granted Patent
Utility
US 4,479,709 · App. 06/386,341
Cleaning method for electrophotography and means therefor
Inventors:
Kastuhiro Syukuri, Satoshi Haneda, Masahiko Itaya
Patented Case
View Patent ↗
Granted: Oct 30, 1984
Filed: Jun 8, 1982
Inventors
Kastuhiro Syukuri
Satoshi Haneda
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.