Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frederick L. Robinson | Fmc | 3 |
| 1 | Sanhuang Tung | Fmc | 3 |
| 3 | George E. Lauterbach | Fmc | 2 |
| #4 | John A. Tibbetts | — | 1 |
| #4 | Craig D. MacIntosh | Douglas Dynamics, L.L.C. | 1 |
| #4 | Fred W. Rauskolb | — | 1 |
| #4 | Dalton L. Bridges | — | 1 |
Part of Maine