Granted Patent
Utility
US 5,407,326 · App. 08/227,373
Hollow blade for a turbomachine
Inventor:
Alain M. J. Lardellier
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Apr 14, 1994
Inventor
Alain M. J. Lardellier
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.