Granted Patent
Utility
US 5,540,760 · App. 08/337,689
Scrubber and process for flue-gas desulfurizing
Inventors:
Theo Risse, Gunther Giepen, Matthias Kleeberg, Hildemar Bohm
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Nov 9, 1994
Inventors
Theo Risse
Gunther Giepen
Matthias Kleeberg
Hildemar Bohm
Assignee (at issue)
Gottfried Bischoff & Co. KG
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.