Top Inventors at Pro-Eco Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | John A. Carlin | 3 |
| 2 | Dale H. Boyd | 1 |
| 3 | James L. Wolf | 1 |
| #4 | William L. Mobeck | 1 |
| #5 | John W. Rippin | 1 |
| #6 | Egon J. Krska | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | John A. Carlin | 3 |
| 2 | Dale H. Boyd | 1 |
| 3 | James L. Wolf | 1 |
| #4 | William L. Mobeck | 1 |
| #5 | John W. Rippin | 1 |
| #6 | Egon J. Krska | 1 |