Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8499522 | Lightweight concrete masonry veneer unit | David A. Skidmore | 2013-08-06 |
| 7687005 | Masonry unit manufacturing method | David A. Skidmore | 2010-03-30 |
| 7185470 | Retaining wall block | — | 2007-03-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8499522 | Lightweight concrete masonry veneer unit | David A. Skidmore | 2013-08-06 |
| 7687005 | Masonry unit manufacturing method | David A. Skidmore | 2010-03-30 |
| 7185470 | Retaining wall block | — | 2007-03-06 |