Top Inventors at Drum Workshop 2017
| Rank | Name | Patents |
|---|---|---|
| 1 | Richard A. Sikra | 4 |
| 2 | Andrzej Krol | 3 |
| 3 | Sergio G. Bonsignore | 3 |
| #4 | Victor Filonovich | 3 |
| #5 | Ruben Steinhauser | 1 |
| #6 | Thomas M Schwarz | 1 |
| #7 | Piya Chandontrikit | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Richard A. Sikra | 4 |
| 2 | Andrzej Krol | 3 |
| 3 | Sergio G. Bonsignore | 3 |
| #4 | Victor Filonovich | 3 |
| #5 | Ruben Steinhauser | 1 |
| #6 | Thomas M Schwarz | 1 |
| #7 | Piya Chandontrikit | 1 |