Granted Patent
Utility
US 6,447,253 · App. 09/774,605
Turbine rotor disk fitted with blades having christmastree-shaped roots, and a method of mounting a blade on a disk
Inventor:
Robert Tempere
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Feb 1, 2001
Inventor
Robert Tempere
Assignee (at issue)
Alstom Power N.V.
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.