Top Inventors at Wm. R. Stewart & Sons (Hacklemakers) All Time
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | David B. Stewart | 5 |
| 2 | John Dickinson | 4 |
| 2 | William R. Stewart | 4 |
| #4 | Brian Hogan | 1 |
| #4 | Edward G. Preston | 1 |
| #4 | John J. Stamp | 1 |
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | David B. Stewart | 5 |
| 2 | John Dickinson | 4 |
| 2 | William R. Stewart | 4 |
| #4 | Brian Hogan | 1 |
| #4 | Edward G. Preston | 1 |
| #4 | John J. Stamp | 1 |