Granted Patent
Utility
US 4,669,855 · App. 06/715,533
Electrophotographic apparatus for obtaining visible images by irradiation of an amorphous silicon photosensitive member and method therefore
Inventor:
Haruo Iwahashi
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Mar 25, 1985
Inventor
Haruo Iwahashi
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.