Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214638 | Digital communication electrical/optical access node having buffer memory matrix for switchable multi-channel bidirectional transmission | Albrecht Schaffert, Werner Beisel, Kalman Szechenyi | 1993-05-25 |