Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roger M. Puff | Charbonnages De France | 3 |
| 2 | Gustave Leyendecker | — | 1 |
| 2 | Henri Brice | Charbonnages De France | 1 |
5 patents · 3 inventors
Ranked #3,857 of 15,417 cities Top 30%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roger M. Puff | Charbonnages De France | 3 |
| 2 | Gustave Leyendecker | — | 1 |
| 2 | Henri Brice | Charbonnages De France | 1 |