Granted Patent
Utility
US 6,201,944 · App. 09/131,863
Tandem-type image forming apparatus operating in color mode and monochrome mode
Inventors:
Tetsuya Onuki, Hirokazu Matsuo, Seiichi Munemori
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Aug 10, 1998
Inventors
Tetsuya Onuki
Hirokazu Matsuo
Seiichi Munemori
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.