Granted Patent
Utility
US 6,328,899 · App. 09/537,218
Method and apparatus for treating wastewater containing organic sulfur compounds
Inventors:
Hiroyuki Chifuku, Yoshio Takamura, Takahiro Yano, Toshiaki Muratani
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Mar 30, 2000
Inventors
Hiroyuki Chifuku
Yoshio Takamura
Takahiro Yano
Toshiaki Muratani
Assignees (at issue)
SHINKO PANTEC CO., LTD
SHARP 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.