Granted Patent
Utility
US 6,571,471 · App. 09/832,839
Method and device for demounting a turbine blade
Inventor:
Siegfried Hohmann
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Apr 12, 2001
Inventor
Siegfried Hohmann
Assignee (at issue)
ALSTOM (Switzerland) Ltd
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.