Granted Patent
Utility
US 6,290,889 · App. 09/035,299
Process for producing precision hollow articles made of composite material
Inventors:
Jean-Louis Robert Marcel Castanie, Eric Celerier, Alain François Goncalves
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Mar 5, 1998
Inventors
Jean-Louis Robert Marcel Castanie
Eric Celerier
Alain François Goncalves
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.