Top Inventors at Gressel Ag All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Heinrich Berchtold | 5 |
| 2 | Marcel Schlüssel | 4 |
| 3 | Walter Ruegg | 1 |
| #4 | Thomas Schaublin | 1 |
| #5 | Adolf Wuerthele | 1 |
| #6 | Adolf Würthele | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Heinrich Berchtold | 5 |
| 2 | Marcel Schlüssel | 4 |
| 3 | Walter Ruegg | 1 |
| #4 | Thomas Schaublin | 1 |
| #5 | Adolf Wuerthele | 1 |
| #6 | Adolf Würthele | 1 |