Top Inventors at Specialty Loose Leaf All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert B. Wilson | 5 |
| 2 | Paul R. Tibbetts | 2 |
| 3 | Frederick Christian Schweitzer | 1 |
| #4 | F. Christian Schweitzer | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert B. Wilson | 5 |
| 2 | Paul R. Tibbetts | 2 |
| 3 | Frederick Christian Schweitzer | 1 |
| #4 | F. Christian Schweitzer | 1 |