Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John G. Allison | — | 1 |
| 1 | Elizabeth B. Weberg | E.I. Du Pont De Nemours And | 1 |
| 1 | John L. White | American Piledriving Equipment | 1 |
| 1 | Willem D. Veenhof | Martin Engineering | 1 |
Part of North Carolina