Granted Patent
Utility
US 6,508,093 · App. 09/987,857
Method and apparatus for ultrasonic peening of annular recesses for the attachment of blades to a rotor
Inventors:
Benoît Jean Henri Berthelet, Francis Lucien Guy Chareyre, Willy Lionel Fradin, Hakim Hoffmann, Stephane Kerneis, Marie-Christine Ntsama-Etoundi, Guillaume François Roger Simon
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Nov 16, 2001
Inventors
Benoît Jean Henri Berthelet
Francis Lucien Guy Chareyre
Willy Lionel Fradin
Hakim Hoffmann
Stephane Kerneis
Marie-Christine Ntsama-Etoundi
Guillaume François Roger Simon
Assignee (at issue)
Snecma Moteurs-Snecma Services
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.