Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8730947 | Reverse call set up via an interconnection between different networks | Dietmar Kohnenmergen | 2014-05-20 |
| 7606354 | Method and system for dynamic tariffing and billing | — | 2009-10-20 |