Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10074972 | System and method of controlling current-limiters in ring systems | Karl-Heinz Hartung, Ralf Bockholt | 2018-09-11 |
| D657742 | Earthing switch | Hans-Willi Ott | 2012-04-17 |