Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jeffrey D. Ballance | U.S. Natural Resources | 2 |
| 2 | William A. Buskirk | Matthews International | 1 |
| 2 | Ronald S. Hershel | Federal Signal | 1 |
| 2 | George W. Kahl | Tekmax | 1 |
| 2 | Stephen C. Stocks | Oregon Metallurgical | 1 |
Part of Oregon