Granted Patent
Utility
US 6,815,089 · App. 10/468,593
Structural components for the boiler zone of power plants or refuse incineration plants
Inventor:
Johann Wilhelm Ansey
Patented Case
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Granted: Nov 9, 2004
Filed: Aug 20, 2003
Inventor
Johann Wilhelm Ansey
Assignee (at issue)
BBP Service 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.