Patents per Year
Top Inventors at Quadrastat All Time
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | John Hartshorne | 2 |
| 1 | Peter D. Adams | 2 |
| 1 | Thomas J. Gray | 2 |
| #4 | Charles A. Gressett, Jr. | 1 |
| #4 | Edwin O. Martinson | 1 |
| #4 | Mark W. Lampark | 1 |
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | John Hartshorne | 2 |
| 1 | Peter D. Adams | 2 |
| 1 | Thomas J. Gray | 2 |
| #4 | Charles A. Gressett, Jr. | 1 |
| #4 | Edwin O. Martinson | 1 |
| #4 | Mark W. Lampark | 1 |