Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8855697 | Method for establishing a push-to-talk communication link | Ivo Sedlacek | 2014-10-07 |
| 8374158 | Method for interfacing a second communication network comprising an access node with a first communication network comprising a contact node | Petr Gotthard, Cornelia Kappler, Rainer Liebhart, Erwin Postmann, Morten Schläger +1 more | 2013-02-12 |