Granted Patent
Utility
US 6,283,378 · App. 09/462,496
Data carrier which can be operated without contact
Inventor:
Ando Welling
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: May 5, 2000
Inventor
Ando Welling
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.