Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9246322 | Surge protection device | Joachim Schimanski, Martin Wetter | 2016-01-26 |
| 8072728 | Overvoltage protection device | Jens Willmann, Martin Wetter, Frank Welzel | 2011-12-06 |
| 7069478 | Safety device for a stored-program control | Reiner Wamsser, Hans-Peter Lerch, Jürgen Haeufgloeckner, Joachim Zeller | 2006-06-27 |
| 6009268 | Device for programming a stored program controller | Stefan Reis | 1999-12-28 |
| D262545 | Animated fireplug for teaching fire prevention | — | 1982-01-05 |