Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John K. Volkert | Papermasters | 3 |
| 2 | Walter Glass | American Louver | 2 |
| 3 | Valentine Hechler, IV | Unknown | 1 |
| 3 | Robert Knight | Cohesionib | 1 |
| 3 | Stephen M. Collins | Clearwater Holdings | 1 |
| 3 | George S. Clemens | Dental Research | 1 |
Part of Illinois