Top Inventors at John Donovan Enterprises All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Steven Lewis Growcock | 4 |
| 2 | Omer Akdag | 3 |
| 3 | Richard J. Coughtry | 3 |
| #4 | Robert Wood | 3 |
| #5 | Fred P. Smith | 2 |
| #6 | John F. Horner | 2 |
| #7 | Michael Francis Ciferri | 2 |
| #8 | Thomas J. Ahlstrom | 2 |
| #9 | Scot A. Fuhrman | 1 |