Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885657 | Thyristor with turn-off facility and overvoltage protection | — | 1989-12-05 |
| 4862239 | Power semiconductor component | Bruno Broich | 1989-08-29 |
| 4849800 | Semiconductor component | C. Christiaan Abbas, Jens Gobrecht, Jan Voboril | 1989-07-18 |