Top Inventors at Defelsko All Time
Showing 1–9 of 9 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Frank Koch | 20 |
| 2 | Leon C. Vandervalk | 15 |
| 3 | David Beamish | 7 |
| #4 | James E. Davis | 2 |
| #4 | Robert V. Stachnik | 2 |
| #6 | Douglas R. Cleminshaw | 1 |
| #6 | Marlin S. Walmer | 1 |
| #6 | Rashid Aidun | 1 |
| #6 | Charles Edward Waddles | 1 |