Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7092383 | Method for switching on a subscriber signal, associated switching office and associated program | Klaus Hoffmann | 2006-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7092383 | Method for switching on a subscriber signal, associated switching office and associated program | Klaus Hoffmann | 2006-08-15 |