Top Inventors at Ohio Gratings All Time
Showing 1–10 of 10 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kenneth P. Apperson | 9 |
| 2 | David W. Bartley | 7 |
| 3 | John C. Bartley | 4 |
| #4 | Darryle D. Woodson | 2 |
| #4 | Joseph S. Mullane | 2 |
| #4 | Thomas J. Snyder | 2 |
| #7 | Michael D. Russo | 1 |
| #7 | Ryan Christopher Hallgren | 1 |
| #7 | Thomas P. Gerber | 1 |
| #7 | Aristotelis Zournas | 1 |