Granted Patent
Utility
US 6,577,824 · App. 09/976,147
Apparatus and method for supplying new and recovered toner to a developing device
Inventors:
Shinichi Itoh, Tetsuo Katoh, Tatsuyuki Miura, Seiji Tsuzuki
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Oct 15, 2001
Inventors
Shinichi Itoh
Tetsuo Katoh
Tatsuyuki Miura
Seiji Tsuzuki
Assignees (at issue)
Kabushiki Kaisha Toshiba
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.