Granted Patent
Utility
US 4,367,945 · App. 06/256,559
Slit exposure optical system for an electrophotographic copying apparatus
Inventor:
Tadashi Abe
Patented Case
View Patent ↗
Granted: Jan 11, 1983
Filed: Apr 22, 1981
Inventor
Tadashi Abe
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.