Top Inventors at Esi All Time
Showing 1–8 of 8 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | David R. Hardten | 4 |
| 1 | Thomas A. Burba | 4 |
| 1 | Thomas C. Prager | 4 |
| #4 | William T. Ryder | 2 |
| #5 | Glenn Dickson | 1 |
| #5 | Mal Urban | 1 |
| #5 | Timothy Addy | 1 |
| #5 | Warner E. Speakman | 1 |
Showing 1–8 of 8 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | David R. Hardten | 4 |
| 1 | Thomas A. Burba | 4 |
| 1 | Thomas C. Prager | 4 |
| #4 | William T. Ryder | 2 |
| #5 | Glenn Dickson | 1 |
| #5 | Mal Urban | 1 |
| #5 | Timothy Addy | 1 |
| #5 | Warner E. Speakman | 1 |