Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224255 | Temperature pickup for oil-filled vessels and temperature measurement method | Karsten Viereck | 2001-05-01 |
| 6124726 | Method of monitoring a tap selector | Dieter Dohnal, Karsten Viereck | 2000-09-26 |
| 5736827 | Motor driven step switch | Dieter Dohnal, Peter Okanik | 1998-04-07 |