Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Edward A. Ryks | The Shivvers Group | 2 |
| 1 | Steven D. Shivvers | The Shivvers Group | 2 |
| 1 | Charles C. Shivvers | The Shivvers Group | 2 |
| #4 | Charles C. Shivers | — | 1 |
Part of Iowa
7 patents · 4 inventors · 4.4/1k pop.
Ranked #4,647 of 20,767 cities Top 25%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Edward A. Ryks | The Shivvers Group | 2 |
| 1 | Steven D. Shivvers | The Shivvers Group | 2 |
| 1 | Charles C. Shivvers | The Shivvers Group | 2 |
| #4 | Charles C. Shivers | — | 1 |
Part of Iowa