Granted Patent
Utility
US 6,047,474 · App. 09/181,877
Method of manufacturing a bimetallic turbine blade and use thereof
Inventors:
Francois Millet, Daniel Leroy
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Oct 29, 1998
Inventors
Francois Millet
Daniel Leroy
Assignee (at issue)
Framatome Inc.
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.