Granted Patent
Utility
US 5,513,616 · App. 08/202,161
Method for determining a failure of an EGR apparatus
Inventors:
Takuya Matsumoto, Toru Hashimoto, Koichi Namiki, Kazutoshi Noma, Yasuhisa Yoshida
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Feb 25, 1994
Inventors
Takuya Matsumoto
Toru Hashimoto
Koichi Namiki
Kazutoshi Noma
Yasuhisa Yoshida
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.