Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9152965 | Method and devices for inter-terminal payments | Cornelius Boylan, Ralf Keller | 2015-10-06 |
| 7380013 | Method for providing information to a web server | Knut Brandrud, Marko Schuba | 2008-05-27 |
| 6496689 | Indication of charging information using the USSD mechanism | Ralf Keller | 2002-12-17 |