Top Inventors at Sigma-Tek All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Erich A. Wilson | 2 |
| 2 | Forest G. Brown | 2 |
| 3 | Jerry B. Bishop | 2 |
| #4 | Michael D. Kipp | 2 |
| #5 | Michael D. Ridges | 2 |
| #6 | David B. Sawyer | 1 |
| #7 | Francis A. Schwind | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Erich A. Wilson | 2 |
| 2 | Forest G. Brown | 2 |
| 3 | Jerry B. Bishop | 2 |
| #4 | Michael D. Kipp | 2 |
| #5 | Michael D. Ridges | 2 |
| #6 | David B. Sawyer | 1 |
| #7 | Francis A. Schwind | 1 |