Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6708562 | Level gauge for oil-filled transformers, chokes and tap changers | Karsten Viereck | 2004-03-23 |
| 6709496 | Air demoisturizer for oil-insulated transformers, chokes and tap changers | Karsten Viereck, Rainer Brill, Kurt Kugler | 2004-03-23 |