Konrad Wrona

Follow

Person

Aachen, DE

People

Patents Applicationslast 30 patents

Information Patent Application
Method and device for returning of change in an electronic payment...
- Publication number 20020128983
- Publication date Sep 12, 2002
- Konrad Wrona
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Initiation of an electronic payment transaction
- Publication number 20020052842
- Publication date May 2, 2002
- Marko Schuba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for the authorization of transactions
- Publication number 20020032661
- Publication date Mar 14, 2002
- Marko Schuba
- G06 - COMPUTING CALCULATING COUNTING