Granted Patent
Utility
US 5,453,822 · App. 08/060,057
Optional side multi-toner image forming apparatus using intermediate transfer member
Inventors:
Masayasu Anzai, Yasuo Kikuchi
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: May 13, 1993
Inventors
Masayasu Anzai
Yasuo Kikuchi
Assignee (at issue)
Hitachi Koki 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.