Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347706 | Method for making packets of amorphous steel strip for transformer core manufacture | Willi Klappert | 1994-09-20 |
| 5329270 | Transformer core comprising groups of amorphous steel strips wrapped about the core window | — | 1994-07-12 |
| 5321883 | Apparatus for making a transformer core comprising strips of amorphous stell wrapped around the core window | Willi Klappert | 1994-06-21 |