Top Inventors at A. Duda & Sons All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Lawrence K. Pierce | 41 |
| 2 | Vicki Joan Pierce | 3 |
| 3 | George B. Macfie, Jr. | 2 |
| #4 | Gordon C. Boots | 2 |
| #5 | Donald W. King | 1 |
| #6 | Donald J. Stutzman | 1 |
| #7 | Jay Huddle | 1 |
| #8 | Stephen Lee | 1 |
| #9 | Terrance M. Placzek | 1 |
| #10 | Vernie A. Boots | 1 |