Granted Patent
Utility
US 5,383,593 · App. 08/145,182
Method for weld-assembling a disk fitted with small wings by an energy beam
Inventors:
Pierre M. S. Lechervy, Bernard P. C. Sohier
Patented Case
View Patent ↗
Granted: Jan 24, 1995
Filed: Nov 3, 1993
Inventors
Pierre M. S. Lechervy
Bernard P. C. Sohier
Assignee (at issue)
Societe Nationale d'Etude et de Construction de Moteurs d'Aviation - S.N.E.C.M.A
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.