Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7895126 | Method, communications system and receiver device for the billing of access controlled programmes and /or data from broadcast transmitters | Rudolf Ritter | 2011-02-22 |
| 7478069 | Method, communications system and receiver device for the billing of access-controlled programmes and/or data from broadcast transmitters | Rudolf Ritter | 2009-01-13 |