Granted Patent
Utility
US 6,223,774 · App. 09/221,941
Redundant regulation valve
Inventors:
Jean-Pierre Fournier, Francis Meyer, Christian Languedoc, David Salze
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Dec 28, 1998
Inventors
Jean-Pierre Fournier
Francis Meyer
Christian Languedoc
David Salze
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.