Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375073 | Method for crediting or recrediting a data card with a given amount | Paul Aebi, Ronald de Bruin, Rudolf Ritter | 2002-04-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375073 | Method for crediting or recrediting a data card with a given amount | Paul Aebi, Ronald de Bruin, Rudolf Ritter | 2002-04-23 |