Granted Patent
Utility
US 6,032,013 · App. 09/310,225
Developing agent supply apparatus and developing agent container used in the same
Inventor:
Koji Niizawa
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: May 12, 1999
Inventor
Koji Niizawa
Assignee (at issue)
Minolta 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.