Granted Patent
Utility
US 5,893,014 · App. 08/072,452
Developing device and developer carrying member
Inventors:
Hiroshi Goto, Shuichi Nakagawa, Yoichi Fujieda, Ryuji Inoue
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: May 5, 1998
Inventors
Hiroshi Goto
Shuichi Nakagawa
Yoichi Fujieda
Ryuji Inoue
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.