Granted Patent
Utility
US 5,483,939 · App. 08/321,026
Control system for lean-burn internal combustion engine
Inventors:
Hitoshi Kamura, Yasuki Tamura
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Oct 6, 1994
Inventors
Hitoshi Kamura
Yasuki Tamura
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.