Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479780 | Circuit breaker for disconnecting an electrical apparatus from electrical network | Tapani Tiitola, Vesa Virtanen | 2002-11-12 |
| 6456179 | Transformer | Johan Backa, Karl Engman, Torvald Haldin | 2002-09-24 |