Granted Patent
Utility
US 6,189,871 · App. 09/299,647
Steam introduction device in a power plant
Inventors:
Rainer Schlageter, Vaclav Svoboda
Patented Case
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Granted: Feb 20, 2001
Filed: Apr 24, 1999
Inventors
Rainer Schlageter
Vaclav Svoboda
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.