Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484047 | Metal encapsulated, pressurized gas insulated high voltage switching apparatus | Willi Olsen | 1984-11-20 |
| 4445014 | High-voltage disconnect switch | Werner Gruner | 1984-04-24 |