Granted Patent
Utility
US 6,772,857 · App. 10/293,353
Acoustically resistive layer for an acoustical attenuation panel, panel using such a layer
Inventors:
Alain Porte, Nathalie Pascal, Sylvain Thezelais, Eric Rambaud
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Nov 14, 2002
Inventors
Alain Porte
Nathalie Pascal
Sylvain Thezelais
Eric Rambaud
Assignee (at issue)
Airbus France
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.