Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David Antony Ballard | M-I L.L.C. | 19 |
| 2 | David Anthony Ballard | M-I Drilling Fluids Uk Limited | 5 |
Part of Washington
24 patents · 2 inventors
Ranked #35,641 of 111,555 cities Top 35%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David Antony Ballard | M-I L.L.C. | 19 |
| 2 | David Anthony Ballard | M-I Drilling Fluids Uk Limited | 5 |
Part of Washington