Granted Patent
Utility
US 6,270,073 · App. 09/581,984
Stacking device
Inventor:
Martin Landwehr
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Jun 20, 2000
Inventor
Martin Landwehr
Assignee (at issue)
Wincor Nixdorf GmbH & Co. KG
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.