Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Graham Watson | Schlumberger Technology | 1 |
| 1 | Thomas R. Smith | Ashland Licensing And Intellectual Property | 1 |
| 1 | Ian Calder | Abb Vetco Gray | 1 |
| 1 | Michael W. Spiering | Cameron International | 1 |
Part of Texas