Top Inventors at Hogan Mfg. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Dale Kempf | 8 |
| 2 | Lawrence S. Aoki | 3 |
| 3 | David Johnson | 2 |
| #4 | Donald Morris | 2 |
| #5 | Donald R. Oehrlein | 2 |
| #6 | Jeff Hogan | 2 |
| #7 | Curtis J. Simon | 1 |
| #8 | Donald B. Sullivan | 1 |
| #9 | Graham R. Thorley | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Dale Kempf | 8 |
| 2 | Lawrence S. Aoki | 3 |
| 3 | David Johnson | 2 |
| #4 | Donald Morris | 2 |
| #5 | Donald R. Oehrlein | 2 |
| #6 | Jeff Hogan | 2 |
| #7 | Curtis J. Simon | 1 |
| #8 | Donald B. Sullivan | 1 |
| #9 | Graham R. Thorley | 1 |