Top Inventors at Trialcard Incorporated All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | David W. Cunningham | 6 |
| 2 | Charles W. Reuben | 4 |
| 3 | John M. Harden | 4 |
| #4 | William N. Engle | 4 |
| #5 | Brandon Tyndell | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | David W. Cunningham | 6 |
| 2 | Charles W. Reuben | 4 |
| 3 | John M. Harden | 4 |
| #4 | William N. Engle | 4 |
| #5 | Brandon Tyndell | 1 |