Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056300 | Raised floor access panel retrofit method | — | 2011-11-15 |
| 7975443 | Precast prestress raised access floor construction | Charlie Johnson, Jim Blackledge, Dan George Parker, John W. Hanlon | 2011-07-12 |