Top Inventors at O'Donnell & Associates All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Jan S. Porowski | 8 |
| 2 | William J. O'Donnell | 7 |
| 3 | Edward J. Hampton | 4 |
| #4 | Manu L. Badlani | 4 |
| #5 | Engelina Porowski | 1 |
| #6 | Isaac Israel Secemski | 1 |
| #7 | Janek Porowski | 1 |
| #8 | Joseph J. Podgorsky | 1 |
| #9 | Ray G. Fasiczka | 1 |