Top Inventors at Grob & Co. Aktiengesellschaft All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hans D. Baumann | 9 |
| 2 | Martin Graf | 9 |
| 3 | Bernhard Koch | 8 |
| #4 | Ernst Steiner | 4 |
| #5 | Franz Mettler | 3 |
| #6 | Benjamin Grob | 1 |
| #7 | Rudi Gaisser | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Hans D. Baumann | 9 |
| 2 | Martin Graf | 9 |
| 3 | Bernhard Koch | 8 |
| #4 | Ernst Steiner | 4 |
| #5 | Franz Mettler | 3 |
| #6 | Benjamin Grob | 1 |
| #7 | Rudi Gaisser | 1 |