Granted Patent
Utility
US 6,527,514 · App. 09/877,083
Turbine blade with rub tolerant cooling construction
Inventor:
Norman Roeloffs
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Jun 11, 2001
Inventor
Norman Roeloffs
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.