Top Inventors at Step Engineering All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Darrell L. Wilburn | 5 |
| 2 | John R. Mick | 2 |
| 3 | Gordon A. Minami | 1 |
| #4 | Michael J. Miller | 1 |
| #5 | Michael Phillips | 1 |
| #6 | Van T. Hua | 1 |
| #7 | Charles Verhaegh | 1 |
| #8 | Robert J. Kresge | 1 |
| #9 | Darryl R. Plauck | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Darrell L. Wilburn | 5 |
| 2 | John R. Mick | 2 |
| 3 | Gordon A. Minami | 1 |
| #4 | Michael J. Miller | 1 |
| #5 | Michael Phillips | 1 |
| #6 | Van T. Hua | 1 |
| #7 | Charles Verhaegh | 1 |
| #8 | Robert J. Kresge | 1 |
| #9 | Darryl R. Plauck | 1 |