Top Inventors at American Specialties All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Douglas Hitchon | 2 |
| 2 | Donald W. Smith | 2 |
| 3 | Matthew Stepp | 2 |
| #4 | Wei-Ta Liao | 2 |
| #5 | Andrew Neil McCall | 2 |
| #6 | Jack Seidler | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Douglas Hitchon | 2 |
| 2 | Donald W. Smith | 2 |
| 3 | Matthew Stepp | 2 |
| #4 | Wei-Ta Liao | 2 |
| #5 | Andrew Neil McCall | 2 |
| #6 | Jack Seidler | 1 |