Top Inventors at Duhn Oil Tool All Time
Showing 1–7 of 7 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Rex E. Duhn | 10 |
| 2 | Robert K. Meek | 8 |
| 3 | Jay C. Duhn | 2 |
| #4 | Gary Andrew Card | 1 |
| #4 | Kenneth D. Webster | 1 |
| #4 | William D. Chapman | 1 |
| #4 | Aaron B. Speirs | 1 |
Showing 1–7 of 7 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Rex E. Duhn | 10 |
| 2 | Robert K. Meek | 8 |
| 3 | Jay C. Duhn | 2 |
| #4 | Gary Andrew Card | 1 |
| #4 | Kenneth D. Webster | 1 |
| #4 | William D. Chapman | 1 |
| #4 | Aaron B. Speirs | 1 |