Top Inventors at Irwin Research And Development All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Dale L. Vantrease | 13 |
| 2 | Jere F. Irwin | 9 |
| 3 | Gerald M. Corbin | 3 |
| #4 | Clive J. Roberts | 1 |
| #5 | Jeffrey S. LaMont | 1 |
| #6 | John R. Doornink | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Dale L. Vantrease | 13 |
| 2 | Jere F. Irwin | 9 |
| 3 | Gerald M. Corbin | 3 |
| #4 | Clive J. Roberts | 1 |
| #5 | Jeffrey S. LaMont | 1 |
| #6 | John R. Doornink | 1 |