Granted Patent
Utility
US 6,203,598 · App. 09/246,130
Flue gas treating process and system
Inventors:
Shigeo Hasegawa, Naohiko Ukawa, Susumu Okino, Koichiro Iwashita, Kazuaki Kimura, Atsushi Yoshioka, Yoshimitsu Kawanishi, Shoichi Onishi, Toru Takashina, Toyoshi Nakagawa
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Feb 8, 1999
Inventors
Shigeo Hasegawa
Naohiko Ukawa
Susumu Okino
Koichiro Iwashita
Kazuaki Kimura
Atsushi Yoshioka
Yoshimitsu Kawanishi
Shoichi Onishi
Toru Takashina
Toyoshi Nakagawa
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.