Top Inventors at North American Industrial Services All Time
Showing 1–8 of 8 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Donald Howard | 6 |
| 1 | Francis Zilka | 6 |
| 1 | Kurt Prouty | 6 |
| 1 | Timothy Zilka | 6 |
| #5 | Christopher Scaringe | 3 |
| #5 | William Youngs | 3 |
| #7 | Kelly Brannick | 1 |
| #7 | Philip Bear | 1 |