Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4387266 | Foil-insulated high voltage bushing with embossed potential control inserts | — | 1983-06-07 |
| 4370514 | High-voltage bushing with double-layered potential control inserts | Joachim Ruffer | 1983-01-25 |
| 4362897 | High-voltage bushing with layers of preshrunk embossed insulating foils | Joachim Ruffer, Andreas Diller | 1982-12-07 |