Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5818176 | Circuit arrangement for the operation of discharge lamps | Klaus Rohr | 1998-10-06 |
| 5543690 | High voltage ignition circuit for a discharge lamp | Erhard Bernicke, Klaus Rohr | 1996-08-06 |