Top Inventors at Graymills All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Gerald N. Shields | 4 |
| 2 | Kenneth Luedtke | 4 |
| 3 | Timothy E. Owens | 2 |
| #4 | Brian Kent | 1 |
| #5 | Craig J. Shields | 1 |
| #6 | Gary W. Pritchard | 1 |
| #7 | Gregg E. Johnson | 1 |
| #8 | Richard M. Soble | 1 |
| #9 | Ronald L. Blaul | 1 |
| #10 | Robert E. Schmalz, Jr. | 1 |