Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Preston B. Lofgren | Baker Hughes, A Ge Company | 2 |
| 1 | Sven Oddne Haugen | — | 2 |
| 1 | Erling Normann | — | 2 |
6 patents · 3 inventors
Ranked #64,531 of 111,555 cities Top 60%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Preston B. Lofgren | Baker Hughes, A Ge Company | 2 |
| 1 | Sven Oddne Haugen | — | 2 |
| 1 | Erling Normann | — | 2 |