Granted Patent
Utility
US 5,840,263 · App. 08/848,838
Flue gas treating process and system
Inventors:
Takeo Shinoda, Tamotsu Higuchi, Shinichiro Kotake, Kiyoshi Okazoe, Tatsuto Nagayasu, Koichiro Iwashita, Kenichiro Kawamichi, Susumu Okino, Toru Takashina
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: May 5, 1997
Inventors
Takeo Shinoda
Tamotsu Higuchi
Shinichiro Kotake
Kiyoshi Okazoe
Tatsuto Nagayasu
Koichiro Iwashita
Kenichiro Kawamichi
Susumu Okino
Toru Takashina
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.