Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079775 | Non-slick surface-seeded aggregate concrete and method of forming | Lee A. Shaw | 2011-12-20 |
| 8007199 | Dowel device with closed end speed cover | Lee A. Shaw | 2011-08-30 |
| 7926235 | Monolithic concrete wall expansion joint system | Lee A. Shaw | 2011-04-19 |
| 7909531 | Surface drainage system | Lee A. Shaw | 2011-03-22 |
| 7874762 | Dowel device with closed end speed cover | Lee A. Shaw | 2011-01-25 |