Granted Patent
Utility
US 6,708,487 · App. 10/315,989
Exhaust emission control device
Inventors:
Manabu Morimoto, Kazuya Oohashi, Mikio Terada
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Dec 11, 2002
Inventors
Manabu Morimoto
Kazuya Oohashi
Mikio Terada
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.