Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975443 | Precast prestress raised access floor construction | Gary Meyer, Charlie Johnson, Jim Blackledge, Dan George Parker | 2011-07-12 |
| 7975444 | Coupler system for adjacent precast concrete members and method of connecting | Steven E. Holdsworth | 2011-07-12 |