Granted Patent
Utility
US 6,547,521 · App. 09/825,955
Flow duct guide apparatus for an axial flow turbine
Inventors:
Klaus Bartholomä, Karl Heinz Schrott
Patented Case
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Granted: Apr 15, 2003
Filed: Apr 4, 2001
Inventors
Klaus Bartholomä
Karl Heinz Schrott
Assignee (at issue)
MAN B&W Diesel AG
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.