Granted Patent
Utility
US 6,581,566 · App. 09/863,601
Air intake system of engine
Inventor:
Hiroshi Oishi
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: May 22, 2001
Inventor
Hiroshi Oishi
Assignee (at issue)
Fuji Jukogyo 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.