Top Inventors at Elcor All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hank M. Hudson | 14 |
| 2 | John D. Wilkinson | 14 |
| 3 | Roy E. Campbell | 11 |
| #4 | Michael C. Pierce | 4 |
| #5 | C. L. Rambo | 2 |
| #6 | Kyle T. Cuellar | 2 |
| #7 | Kyle T. Cueller | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Hank M. Hudson | 14 |
| 2 | John D. Wilkinson | 14 |
| 3 | Roy E. Campbell | 11 |
| #4 | Michael C. Pierce | 4 |
| #5 | C. L. Rambo | 2 |
| #6 | Kyle T. Cuellar | 2 |
| #7 | Kyle T. Cueller | 1 |