Top Inventors at Royal Seating All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Dan Seiler | 6 |
| 2 | Sumner E. P. Adams | 6 |
| 3 | Lon Amerman | 5 |
| #4 | David Petty | 2 |
| #5 | O. L. Petty, Jr. | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Dan Seiler | 6 |
| 2 | Sumner E. P. Adams | 6 |
| 3 | Lon Amerman | 5 |
| #4 | David Petty | 2 |
| #5 | O. L. Petty, Jr. | 1 |