Top Inventors at Hartman Plant Laboratories All Time
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Edwin J. Frazer | 9 |
| 2 | B. Frank Brown | 2 |
| 3 | Christopher J. London | 1 |
| 3 | Dan H. Vanderlaan | 1 |
| 3 | Hiroshi Tagami | 1 |
| 3 | Robert Dale Hartman | 1 |
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Edwin J. Frazer | 9 |
| 2 | B. Frank Brown | 2 |
| 3 | Christopher J. London | 1 |
| 3 | Dan H. Vanderlaan | 1 |
| 3 | Hiroshi Tagami | 1 |
| 3 | Robert Dale Hartman | 1 |