Granted Patent
Utility
US 6,230,493 · App. 09/531,206
Steam power station
Inventors:
Ulrich Hauser, Pengcheng Zhang
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Mar 20, 2000
Inventors
Ulrich Hauser
Pengcheng Zhang
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.