Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James A. Marquart | The Sherwin-Williams | 2 |
| 2 | John A. Kirpatrick | Allied Products | 1 |
| 2 | Harold E. Gramse | Thrall Car Manufacturing | 1 |
| 2 | Robert E. Winters | Pitney Bowes | 1 |
| 2 | Herman van der Vaart | — | 1 |
Part of Illinois