Granted Patent
Utility
US 5,935,693 · App. 09/030,254
Data carrier
Inventors:
Gerhard Schwenk, Ulrich Scholz, Ulrich Magg, Johannes Leist
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Feb 25, 1998
Inventors
Gerhard Schwenk
Ulrich Scholz
Ulrich Magg
Johannes Leist
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.