Granted Patent
Utility
US 5,417,782 · App. 08/070,862
Heat treatment process for a NI-based superalloy
Inventor:
Jean-Marc Rongvaux
Patented Case
View Patent ↗
Granted: May 23, 1995
Filed: Jun 3, 1993
Inventor
Jean-Marc Rongvaux
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.