Granted Patent
Utility
US 5,979,413 · App. 08/945,648
Cylinder judging device for internal combustion engine
Inventors:
Mitsuhiko Ohnuma, Yasuki Tamura, Shougo Ohmori, Tsuyoshi Tadanaga
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Oct 31, 1997
Inventors
Mitsuhiko Ohnuma
Yasuki Tamura
Shougo Ohmori
Tsuyoshi Tadanaga
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.