Top Inventors at Stepan Chemical All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Edward A. Knaggs | 2 |
| 2 | Henry Watanabe | 2 |
| 3 | Joseph R. Wechsler | 2 |
| #4 | Julius Deutsch | 2 |
| #5 | Marvin L. Nussbaum | 2 |
| #6 | Frank L. Skradski | 1 |
| #7 | George T. Battaglini | 1 |
| #8 | George Magnus | 1 |
| #9 | Joseph E. Lohr, Jr. | 1 |
| #10 | Mark Lane | 1 |
| #11 | Thomas Baker | 1 |
| #12 | Andrew Schultz | 1 |
| #13 | Andrew Shultz | 1 |