Granted Patent
Utility
US 5,870,992 · App. 08/914,653
Combustion control device for internal combustion engine
Inventors:
Hitoshi Kamura, Kenjiro Hatayama, Atsuyoshi Kojima, Masato Yoshida, Katsuhiko Miyamoto
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Aug 19, 1997
Inventors
Hitoshi Kamura
Kenjiro Hatayama
Atsuyoshi Kojima
Masato Yoshida
Katsuhiko Miyamoto
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.