Patents per Year
Top Inventors at Franz Buttner Ag All Time
Showing 1–11 of 11 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Markus Burgin | 3 |
| 2 | Kurt Hefti | 1 |
| 2 | Erwin Kagi | 1 |
| 2 | Heinz Hartmann | 1 |
| 2 | Herbert Scherrer | 1 |
| 2 | Ian Hogarth | 1 |
| 2 | Karl Heinz Gasser | 1 |
| 2 | Michael Muller | 1 |
| 2 | Philipp Ziegler | 1 |
| 2 | Stefan Wirth | 1 |
| 2 | Friedhelm Kiewning | 1 |