Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788519 | Pressure-resistant encapsulated air-gap arrangement for the draining off of damaging perturbances due to overvoltages | Peter Zahlmann, Raimund Koenig, Michael Waffler, Stefan Hierl | 2004-09-07 |