Top Inventors at Ervin Industries All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Mark C. Hash | 5 |
| 2 | Trent Pearson | 5 |
| 3 | James Trent Pearson | 2 |
| #4 | Harold V. May | 1 |
| #5 | William Kwolek | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Mark C. Hash | 5 |
| 2 | Trent Pearson | 5 |
| 3 | James Trent Pearson | 2 |
| #4 | Harold V. May | 1 |
| #5 | William Kwolek | 1 |