Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831718 | Process for laminating plate packs, in particular transformer cores | Bruno Zumstein, Beat Stahel | 1989-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831718 | Process for laminating plate packs, in particular transformer cores | Bruno Zumstein, Beat Stahel | 1989-05-23 |