Granted Patent
Utility
US 6,588,244 · App. 09/962,350
Process for hydroforming sheet metal and device for practicing the same
Inventor:
Lucien Chevalier
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Sep 26, 2001
Inventor
Lucien Chevalier
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.