Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6766007 | Method, apparatus, and communication system for setting up a communication session | Gabriel Dermler, Claudio Fleiner, Marcel Graf, Hong Linh Truong | 2004-07-20 |
| 6509925 | Conferencing system | Gabriel Dermler, Claudio Fleiner, Marcel Graf, Hong Linh Truong | 2003-01-21 |