Granted Patent
Utility
US 5,988,137 · App. 09/066,438
Controller of in-cylinder injection spark ignition internal combustion engine
Inventors:
Hiroki Tamura, Kazuchika Tashima
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Apr 28, 1998
Inventors
Hiroki Tamura
Kazuchika Tashima
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.