Granted Patent
Utility
US 5,604,572 · App. 08/563,211
Developing apparatus having developing agent accommodating cartridge and cartridge for accommodating developing agent for use in developing apparatus
Inventors:
Mitsuo Suzuki, Isamu Terashima, Katsumi Kumada
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Nov 27, 1995
Inventors
Mitsuo Suzuki
Isamu Terashima
Katsumi Kumada
Assignee (at issue)
HITACHI, 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.