Granted Patent
Utility
US 5,738,832 · App. 08/621,704
Exhaust gas purifying apparatus
Inventors:
Takashi Dogahara, Kazuo Koga, Yoshiaki Danno, Daisuke Sanbayashi, Kozo Iida, Satoru Serizawa, Norihisa Kobayashi
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Mar 26, 1996
Inventors
Takashi Dogahara
Kazuo Koga
Yoshiaki Danno
Daisuke Sanbayashi
Kozo Iida
Satoru Serizawa
Norihisa Kobayashi
Assignees (at issue)
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
MITSUBISHI 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.