Granted Patent
Utility
US 4,913,117 · App. 07/225,306
Control apparatus of an internal combustion engine
Inventors:
Toru Hashimoto, Akira Takahashi, Mamoru Sugiura
Patented Case
View Patent ↗
Granted: Apr 3, 1990
Filed: Jul 28, 1988
Inventors
Toru Hashimoto
Akira Takahashi
Mamoru Sugiura
Assignee (at issue)
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
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.