Granted Patent
Utility
US 5,440,877 · App. 08/313,570
Air-fuel ratio controller for an internal combustion engine
Inventors:
Hitoshi Kamura, Kazutoshi Noma, Atsuyoshi Kojima
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Sep 26, 1994
Inventors
Hitoshi Kamura
Kazutoshi Noma
Atsuyoshi Kojima
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.