Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720515 | Vacuum interrupter with two contact systems | Norbert Steinemer | 2004-04-13 |
| 6674039 | Contact arrangement for a vacuum interrupter | Johannes-Gerh Banghard, Klemens Fieberg, Michael Hahn, Werner Hartmann | 2004-01-06 |