Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D944387 | Ventilating fan | Norbert Weisser, Arnold Kuner, Volker Mauch, Stefan Mayer, Tobias Brucker +2 more | 2022-02-22 |
| 8668435 | Ventilator | Norbert Weisser, Wolfgang Laufer, Jürgen Herr, Stefan Mayer | 2014-03-11 |