Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10072413 | Precompressed foam expansion joint system transition | Bill Witherspoon | 2018-09-11 |
| 10066387 | Precompressed foam expansion joint system transition | Bill Witherspoon | 2018-09-04 |
| 9963872 | Expansion joint system | William Witherspoon | 2018-05-08 |