Granted Patent
Utility
US 4,807,132 · App. 06/883,784
Apparatus for controlling an internal combustion engine for vehicles
Inventors:
Kenji Arai, Kazumasa Kurihara, Hidekazu Oshizawa
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Jul 9, 1986
Inventors
Kenji Arai
Kazumasa Kurihara
Hidekazu Oshizawa
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.