Top Inventors at Esm International All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | George A. Zivley | 3 |
| 2 | James E. Crismon | 3 |
| 3 | Jerry W. Brum | 3 |
| #4 | Joel P. Childress | 3 |
| #5 | Calvin G. Gray | 2 |
| #6 | Edward M. Browne | 2 |
| #7 | William C. Long | 2 |
| #8 | Edward Reyes | 1 |
| #9 | Jay A. Rice | 1 |
| #10 | Jerry W. Brun | 1 |
| #11 | Jeffery S. Pawley | 1 |