Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823139 | Optical transmission system | Kalman Szechenyi | 2004-11-23 |
| 6490065 | Optical transmission system | Kalman Szechenyi | 2002-12-03 |
| 5214638 | Digital communication electrical/optical access node having buffer memory matrix for switchable multi-channel bidirectional transmission | Albert Norz, Werner Beisel, Kalman Szechenyi | 1993-05-25 |
| 4634812 | Method of transferring information between microcomputers in a decentralized process control system, particularly for telephone systems | Detlev Hornburger, Henner Schneider | 1987-01-06 |