Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8910434 | Pre-cast monolithic concrete stair with dual edge beams, method and mold | Bryant A. Zavitz | 2014-12-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8910434 | Pre-cast monolithic concrete stair with dual edge beams, method and mold | Bryant A. Zavitz | 2014-12-16 |