Granted Patent
Utility
US 6,782,221 · App. 10/366,460
Image forming apparatus having two developer storage units, process cartridge having two developer storage units, and recycling method thereof
Inventors:
Manabu Saito, Atsuna Saiki
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Feb 14, 2003
Inventors
Manabu Saito
Atsuna Saiki
Assignee (at issue)
FUJI XEROX 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.