Granted Patent
Utility
US 5,381,768 · App. 08/209,490
Air-fuel ratio control apparatus of an internal combustion engine
Inventors:
Kazuhide Togai, Katsunori Ueda
Patented Case
View Patent ↗
Granted: Jan 17, 1995
Filed: Mar 14, 1994
Inventors
Kazuhide Togai
Katsunori Ueda
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.