Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ernst Spirig | — | 3 |
| 2 | Carl Baumgartner | — | 1 |
| 2 | Karl Mader | Idc-Chemie Ag | 1 |
| 2 | Heinrich Sulser | Ruti Machinery Works | 1 |
6 patents · 4 inventors
Ranked #3,375 of 15,417 cities Top 25%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ernst Spirig | — | 3 |
| 2 | Carl Baumgartner | — | 1 |
| 2 | Karl Mader | Idc-Chemie Ag | 1 |
| 2 | Heinrich Sulser | Ruti Machinery Works | 1 |