Top Inventors at Dr. Johns Products All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | John R. Nottingham | 5 |
| 2 | John Osher | 5 |
| 3 | John W. Spirk | 5 |
| #4 | Lawrence A. Blaustein | 5 |
| #5 | Douglas A. Gall | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | John R. Nottingham | 5 |
| 2 | John Osher | 5 |
| 3 | John W. Spirk | 5 |
| #4 | Lawrence A. Blaustein | 5 |
| #5 | Douglas A. Gall | 1 |