Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788518 | Spark gap arrangement | Peter Hasse, Peter Zahlmann, Georg Wittmann | 2004-09-07 |
| 6788519 | Pressure-resistant encapsulated air-gap arrangement for the draining off of damaging perturbances due to overvoltages | Peter Zahlmann, Bernhard Krauss, Michael Waffler, Stefan Hierl | 2004-09-07 |