Granted Patent
Utility
US 6,070,448 · App. 08/724,306
Method of using profiles, and producing metal sheets with stepped cross-sections and different wall thicknesses
Inventors:
Konrad Eipper, Wolfgang Fussnegger, Christoph Schlott
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Sep 9, 1996
Inventors
Konrad Eipper
Wolfgang Fussnegger
Christoph Schlott
Assignee (at issue)
Daimlerchrysler AG
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.