Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851542 | Fire and water resistant, integrated wall and roof expansion joint seal system | Lester Hensley, Bill Witherspoon | 2020-12-01 |
| 9739050 | Flexible expansion joint seal system | Lester Hensley | 2017-08-22 |