Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Heraldo Sa Martins | Unknown | 2 |
| 2 | Etelvino Teixeira Coelho | Unknown | 1 |
3 patents · 2 inventors
Ranked #79,433 of 111,555 cities Top 75%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Heraldo Sa Martins | Unknown | 2 |
| 2 | Etelvino Teixeira Coelho | Unknown | 1 |