Granted Patent
Utility
US 6,286,826 · App. 09/355,885
Stack changing device
Inventors:
Peter Hummel, Robert Ortner, Jens Gebel, Marc Hinz, Bernd Ullrich, Uwe Basel, Harald Wolski
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Aug 4, 1999
Inventors
Peter Hummel
Robert Ortner
Jens Gebel
Marc Hinz
Bernd Ullrich
Uwe Basel
Harald Wolski
Assignee (at issue)
MAN Roland Druckmaschinen 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.