Top Inventors at Equipment Development Company All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Leo Swan | 13 |
| 2 | Edward M. Harding | 5 |
| 3 | William R. Harding | 5 |
| #4 | James E. Ward | 3 |
| #5 | Clayton R. Peterson | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Leo Swan | 13 |
| 2 | Edward M. Harding | 5 |
| 3 | William R. Harding | 5 |
| #4 | James E. Ward | 3 |
| #5 | Clayton R. Peterson | 1 |