Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ed B. Hagan | Halliburton Energy Services | 20 |
| 2 | Millard L. Hallman | Halliburton Energy Services | 1 |
| 2 | John Callihan | — | 1 |
| 2 | Buddy D. Hooper | — | 1 |
Part of Oklahoma
23 patents · 4 inventors · 221.2/1k pop.
Ranked #36,395 of 111,555 cities Top 35%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ed B. Hagan | Halliburton Energy Services | 20 |
| 2 | Millard L. Hallman | Halliburton Energy Services | 1 |
| 2 | John Callihan | — | 1 |
| 2 | Buddy D. Hooper | — | 1 |
Part of Oklahoma