Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hillary New Sinclair | Unknown | 2 |
| 2 | William F. vonBrethorst | — | 1 |
| 2 | Gilbert A. Reed | — | 1 |
| 2 | Wendal E. Baker | — | 1 |
| 2 | Erik Philip Ericksen | — | 1 |
| 2 | Robert Beck | Imerys Talc America | 1 |
| 2 | Rick Edwin Matzick | — | 1 |
Part of Montana