Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | LeRoy G. Hagenbuch | Philippi-Hagenbuch | 2 |
| 2 | Sai Keat Paul Wang | Caterpillar | 1 |
| 2 | Keerthana Prasad | Caterpillar | 1 |
| 2 | Andrew O. Marrack | Caterpillar | 1 |
| 2 | William Mitchener | Illinois Valley Holding | 1 |
| 2 | Gabriel J. Ellicott | Caterpillar | 1 |
Part of Illinois