Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Russell W. Kettelson | Unknown | 2 |
| 2 | Carl M. Petersen, III | Irvin Industries | 1 |
| 2 | Keith D. Fraley | Lectron Products | 1 |
Part of Michigan
4 patents · 3 inventors
Ranked #7,257 of 22,654 cities Top 35%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Russell W. Kettelson | Unknown | 2 |
| 2 | Carl M. Petersen, III | Irvin Industries | 1 |
| 2 | Keith D. Fraley | Lectron Products | 1 |
Part of Michigan