Granted Patent
Utility
US 5,554,472 · App. 08/393,308
Electrophotographic photoconductors
Inventor:
Koichi Aizawa
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Feb 22, 1995
Inventor
Koichi Aizawa
Assignee (at issue)
FUJI ELECTRIC 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.