Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Randall J. Ploeger | Lisle | 5 |
| 2 | Marvin C. Negley | Lisle | 4 |
| 3 | John C. Lisle | Lisle | 3 |
| 3 | Kevin L. Tally | Lisle | 3 |
| #5 | James L. Pool | Lisle | 2 |
| #5 | Scotty R. Kurtz | Lisle | 2 |
| #7 | Curtis Hull | — | 1 |
| #7 | Danny L. Williams | Lisle | 1 |
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