Granted Patent
Utility
US 5,816,776 · App. 08/791,051
Labyrinth disk with built-in stiffener for turbomachine rotor
Inventors:
Frederic Chambon, Patrick Didier Michel Lestoille, Jacques H. Mouchel, Jean-Claude Taillant
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Jan 28, 1997
Inventors
Frederic Chambon
Patrick Didier Michel Lestoille
Jacques H. Mouchel
Jean-Claude Taillant
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.