Granted Patent
Utility
US 6,296,805 · App. 09/350,100
Coated hot- and cold-rolled steel sheet comprising a very high resistance after thermal treatment
Inventors:
Jean-Pierre Laurent, Jean-Paul Hennechart, Dominique Spehner, Jacques Devroc
Patented Case
View Patent ↗
Granted: Oct 2, 2001
Filed: Jul 9, 1999
Inventors
Jean-Pierre Laurent
Jean-Paul Hennechart
Dominique Spehner
Jacques Devroc
Assignee (at issue)
Sollac
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.