Granted Patent
Utility
US 5,558,021 · App. 08/521,580
Printing device for printing plastic cards
Inventors:
Helmut Erhard, Georg Schneider
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Aug 30, 1995
Inventors
Helmut Erhard
Georg Schneider
Assignee (at issue)
Metronic Geratebau 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.