Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10299641 | Toilet seat having an automatic cleaning device | Christian Frei, Marcel Kilga | 2019-05-28 |
| 5172394 | Method for reducing the content of spurious signals in the output signals of a mixer, and mixer for carrying out the method | Anton Kuster | 1992-12-15 |