Top Inventors at Dougherty Brothers All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | John D. Buehler | 2 |
| 2 | Frank E. Dougherty | 1 |
| 3 | Kenneth G. Karkiewicz | 1 |
| #4 | Merrel J. Locke | 1 |
| #5 | Thomas R. Dougherty | 1 |
| #6 | Arthur W. Penman | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | John D. Buehler | 2 |
| 2 | Frank E. Dougherty | 1 |
| 3 | Kenneth G. Karkiewicz | 1 |
| #4 | Merrel J. Locke | 1 |
| #5 | Thomas R. Dougherty | 1 |
| #6 | Arthur W. Penman | 1 |