Patents per Year
Top Inventors at Pipe Restoration Technologies All Time
Showing 1–8 of 8 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Larry Gillanders | 27 |
| 2 | Steven A. Williams | 16 |
| 3 | John Laborde | 10 |
| #4 | Gregory Ryan | 9 |
| #4 | John F. Trout | 9 |
| #6 | Steve Williams | 7 |
| #7 | Steven A. Wiiliams | 1 |
| #7 | Steve Williiams | 1 |