Top Inventors at National Oilwell (U.K.) Limited All Time
Showing 1–5 of 5 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | R. Hart | 2 |
| 2 | Edwin R. Knerr | 1 |
| 2 | Paul Hilliard | 1 |
| 2 | Robert E. Hart | 1 |
| 2 | William S. Cowan | 1 |
Showing 1–5 of 5 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | R. Hart | 2 |
| 2 | Edwin R. Knerr | 1 |
| 2 | Paul Hilliard | 1 |
| 2 | Robert E. Hart | 1 |
| 2 | William S. Cowan | 1 |