Top Inventors at Extech/Exterior Technologies All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | William P. Voegele, Jr. | 20 |
| 2 | Kevin P. Smith | 8 |
| 3 | Raymond A. McNally | 6 |
| #4 | Alan D. Lohr | 5 |
| #5 | Douglas A. Ramsey | 1 |
| #6 | Franklin Krouse | 1 |
| #7 | John Anthony | 1 |
| #8 | Michael R. Quinlan | 1 |
| #9 | Carl E. Kamphaus | 1 |