Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert Dale Hartman | Twyford International | 6 |
| 2 | Robert Dale Hartman | — | 1 |
Part of Florida
7 patents · 2 inventors · 3.0/1k pop.
Ranked #9,448 of 40,155 cities Top 25%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert Dale Hartman | Twyford International | 6 |
| 2 | Robert Dale Hartman | — | 1 |
Part of Florida