Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684073 | Signalling method and conversion device for telecommunications networks | Werner Hirzel | 2004-01-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684073 | Signalling method and conversion device for telecommunications networks | Werner Hirzel | 2004-01-27 |