Granted Patent
Utility
US 6,233,939 · App. 09/580,864
Method of operating a steam power station
Inventors:
Ung-Lap Ngo-Beelmann, Klaus Behnke, Michael Witt
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: May 30, 2000
Inventors
Ung-Lap Ngo-Beelmann
Klaus Behnke
Michael Witt
Assignee (at issue)
ABB PATENT GMBH
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.