Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8750518 | Method and system for archiving communication data by means of data tracing | Gabriele Trinkel, Marian Trinkel, Frank Dauβmann, Ralf Maier | 2014-06-10 |
| 8200276 | Communication method | Marian Trinkel, Christel Mueller, Frank Daussmann | 2012-06-12 |
| 6861944 | Authorization control system | — | 2005-03-01 |