Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James Calvin Pieper | Douglas Dynamics, L.L.C. | 5 |
| 2 | James O. Lehman | — | 1 |
| 2 | Senior N. Blanchard | Tibbetts Industries | 1 |
Part of Maine
7 patents · 3 inventors
Ranked #61,033 of 111,555 cities Top 55%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James Calvin Pieper | Douglas Dynamics, L.L.C. | 5 |
| 2 | James O. Lehman | — | 1 |
| 2 | Senior N. Blanchard | Tibbetts Industries | 1 |
Part of Maine