Granted Patent
Utility
US 6,267,838 · App. 09/477,406
Sandwich panel made of a composite material and production method
Inventors:
Frederic Saugnac, Bruno Pelouze
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: Jan 4, 2000
Inventors
Frederic Saugnac
Bruno Pelouze
Assignee (at issue)
Aerospatiale Societe Nationale Industrielle
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.