Granted Patent
Utility
US 5,697,209 · App. 08/552,957
Power plant with steam injection
Inventor:
Hans Wettstein
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Nov 3, 1995
Inventor
Hans Wettstein
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.