Top Inventors at Groen Division/Dover All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ted S. Czyzewski | 3 |
| 2 | Bartley A. Greenwell | 2 |
| 3 | Bernard W. Minifie | 1 |
| #4 | Edward L. Kells | 1 |
| #5 | Fred H. Groen, Jr. | 1 |
| #6 | Paul Sveds | 1 |
| #7 | Robert L. Narowski | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Ted S. Czyzewski | 3 |
| 2 | Bartley A. Greenwell | 2 |
| 3 | Bernard W. Minifie | 1 |
| #4 | Edward L. Kells | 1 |
| #5 | Fred H. Groen, Jr. | 1 |
| #6 | Paul Sveds | 1 |
| #7 | Robert L. Narowski | 1 |