Granted Patent
Utility
US 6,744,050 · App. 09/786,195
Method and device for controlling paper documents of value
Inventors:
Heinz Hornung, Achim Philipp
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Apr 27, 2001
Inventors
Heinz Hornung
Achim Philipp
Assignee (at issue)
GIESECKE & DEVRIENT GMBH
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.