Granted Patent
Utility
US 4,884,201 · App. 07/206,865
Automatic gear change device
Inventors:
Yuji Sato, Hiromi Kono, Akifumi Tanoue, Yoshiyuki Kimura
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Jun 13, 1988
Inventors
Yuji Sato
Hiromi Kono
Akifumi Tanoue
Yoshiyuki Kimura
Assignee (at issue)
Diesel Kiki 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.