Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert C. Richardson | The Lubrizol | 3 |
| 2 | Kenneth J. Myers | Unknown | 2 |
| 3 | Jeffrey J. Moore | Exmark Manufacturing Company Incorporated | 1 |
| 3 | Steven Zlomke | American Tool Companies | 1 |
Part of Nebraska