Top Inventors at Durakool All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ronald J. Wolf | 8 |
| 2 | Larry Hedeen | 4 |
| 3 | John Richard Nuss | 1 |
| #4 | Martin Lynch | 1 |
| #5 | Craig R. Graf | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Ronald J. Wolf | 8 |
| 2 | Larry Hedeen | 4 |
| 3 | John Richard Nuss | 1 |
| #4 | Martin Lynch | 1 |
| #5 | Craig R. Graf | 1 |