Granted Patent
Utility
US 5,941,212 · App. 09/150,208
Air-fuel ratio control system for internal combustion engines
Inventors:
Akira Murakami, Seiichi Hosogai, Shigeo Hidai, Eisaku Gosho
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Sep 9, 1998
Inventors
Akira Murakami
Seiichi Hosogai
Shigeo Hidai
Eisaku Gosho
Assignee (at issue)
HONDA MOTOR CO., LTD.
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.