Top Inventors at Old School Products All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Perry D. Hoff | 6 |
| 2 | Phillip G. Larson | 6 |
| 3 | Vance A. Hoff | 6 |
| #4 | Mark R. Hoff | 5 |
| #5 | Mark Hoff | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Perry D. Hoff | 6 |
| 2 | Phillip G. Larson | 6 |
| 3 | Vance A. Hoff | 6 |
| #4 | Mark R. Hoff | 5 |
| #5 | Mark Hoff | 1 |