Granted Patent
Utility
US 6,269,754 · App. 09/377,738
Steam generator for superheated steam for incineration plants with corrosive flue gases
Inventors:
Hans Ruegg, Georg Ziegler
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Aug 20, 1999
Inventors
Hans Ruegg
Georg Ziegler
Assignee (at issue)
Asea Brown Boveri, S.A.
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.