Top Inventors at Zup All Time
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Glen Wade Duff | 9 |
| 2 | John Everett Martin | 1 |
| 2 | Timothy Walter Zeckser | 1 |
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Glen Wade Duff | 9 |
| 2 | John Everett Martin | 1 |
| 2 | Timothy Walter Zeckser | 1 |