Patents per Year
Top Inventors at E.F. Products All Time
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | William J. Quest | 7 |
| 2 | James E. Ferris | 3 |
| 3 | Darrell W. Patton | 2 |
| 3 | Kerry W. Whitaker | 2 |
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | William J. Quest | 7 |
| 2 | James E. Ferris | 3 |
| 3 | Darrell W. Patton | 2 |
| 3 | Kerry W. Whitaker | 2 |