Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682127 | Method of switching an electromagnetic actuator | Stefan Grass | 1997-10-28 |
| 5664534 | Flywheel system for a rotary machine | — | 1997-09-09 |
| 5611990 | Cooled converter trunnion ring | Karlheinz Langlitz | 1997-03-18 |