Top Inventors at Sierra Instruments All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | John G. Olin | 10 |
| 2 | David M. Korpi | 7 |
| 3 | John P. Smitherman | 2 |
| #4 | Brian J. Estep | 1 |
| #5 | Donald I. Ross | 1 |
| #6 | Gary A. Russell | 1 |
| #7 | Norman C. Ahlquist | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | John G. Olin | 10 |
| 2 | David M. Korpi | 7 |
| 3 | John P. Smitherman | 2 |
| #4 | Brian J. Estep | 1 |
| #5 | Donald I. Ross | 1 |
| #6 | Gary A. Russell | 1 |
| #7 | Norman C. Ahlquist | 1 |