Granted Patent
Utility
US 6,487,378 · App. 09/981,208
Electrophotographic apparatus, main unit and sub-unit, both for use in the electrophotographic apparatus, and method of identifying the sub-unit
Inventor:
Shunichi Ono
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Oct 17, 2001
Inventor
Shunichi Ono
Assignee (at issue)
TOSHIBA TEC KABUSHIKI KAISHA
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.