Granted Patent
Utility
US 5,732,552 · App. 08/599,314
Apparatus for deterioration diagnosis of an exhaust purifying catalyst
Inventors:
Takuya Matsumoto, Toru Hashimoto, Mitsuhiro Miyake, Toshiro Nomura, Hidetsugu Kanao
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Feb 9, 1996
Inventors
Takuya Matsumoto
Toru Hashimoto
Mitsuhiro Miyake
Toshiro Nomura
Hidetsugu Kanao
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.