Granted Patent
Utility
US 4,789,936 · App. 06/794,895
Automatic transmission system
Inventors:
Kazumasa Kurihara, Kenji Arai
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Nov 4, 1985
Inventors
Kazumasa Kurihara
Kenji Arai
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.