Top Inventors at Simon-Johnson All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Donald J. Scheier | 7 |
| 2 | Jack L. Hathorn | 4 |
| 3 | David R. Crawford | 2 |
| #4 | David M. McDonald | 2 |
| #5 | Frank J. Criscione, II | 2 |
| #6 | James A. Bonuchi | 1 |
| #7 | Jerry D. Sheehan | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Donald J. Scheier | 7 |
| 2 | Jack L. Hathorn | 4 |
| 3 | David R. Crawford | 2 |
| #4 | David M. McDonald | 2 |
| #5 | Frank J. Criscione, II | 2 |
| #6 | James A. Bonuchi | 1 |
| #7 | Jerry D. Sheehan | 1 |