Granted Patent
Utility
US 6,595,401 · App. 09/998,669
Blade maintenance tool, and its application to friction welding of blades
Inventors:
Andre Collot, Jean-Pierre Ferte
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Dec 3, 2001
Inventors
Andre Collot
Jean-Pierre Ferte
Assignee (at issue)
SNECMA Moteurs
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.