Granted Patent
Utility
US 5,908,518 · App. 08/899,691
AlMgMn alloy product for welded construction with improved corrosion resistance
Inventors:
Jean-Luc Hoffmann, Martin Schmidt
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Jul 25, 1997
Inventors
Jean-Luc Hoffmann
Martin Schmidt
Assignee (at issue)
Pechiney Rhenalu
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.