Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Edward L. Cooper | Elco Enterprises | 28 |
| 2 | Thomas Gilbert | Certainteed | 23 |
| 3 | Justin Bates | Adco Proucts | 4 |
| #4 | Gary Veselica | Eagle-Picher Industries | 3 |
| #5 | Thomas G. Gilbert | Certainteed | 2 |
| #5 | Kevin D. Hartley | Certainteed | 2 |
| #5 | Andrew Slaby | Lakeside Holdings | 2 |
| #8 | Kim Dagenais | — | 1 |
| #8 | Samuel Hiss | Tenneco Automotive Operating Company | 1 |
| #8 | Douglas R. North | Unknown | 1 |
| #8 | James K. Jenks | — | 1 |
| #8 | Matthew J. Melling | Melling Tool | 1 |
| #8 | Edward G. Krenkel | — | 1 |
| #8 | Ronald P. Oudekerk | — | 1 |
| #8 | Chris Zuzelski | Eaton Intelligent Power Limited | 1 |
Part of Michigan