Patents per Year
Top Inventors at Progressive International Electronics All Time
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Walter E. Warn | 9 |
| 2 | Fred K. Carr | 7 |
| 3 | Arthur E. Barker, JR. | 1 |
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Walter E. Warn | 9 |
| 2 | Fred K. Carr | 7 |
| 3 | Arthur E. Barker, JR. | 1 |