Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William R. Stickney | Illinois Tool Works | 4 |
| 2 | Walter Harris | Diebold | 3 |
| 3 | Donald E. Stiles | Unknown | 2 |
| #4 | William James Lentz | International Plant Management | 1 |
| #4 | Damon G. Granger | — | 1 |
Part of Michigan