Granted Patent
Utility
US 6,748,082 · App. 09/355,586
Method and device for introducing a service key into a terminal
Inventors:
Stefan Vieweg, Maik Schmidt
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Jul 29, 1999
Inventors
Stefan Vieweg
Maik Schmidt
Assignee (at issue)
ATX Europe 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.