Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565289 | Self-connecting, reinforced retaining wall and masonry units therefor | — | 2003-05-20 |
| 6416260 | Self-connecting, reinforced retaining wall and masonry units therefor | — | 2002-07-09 |
| 6280121 | Reinforced retaining wall | — | 2001-08-28 |
| 6089792 | Reinforced retaining wall | — | 2000-07-18 |
| 6050749 | Concrete masonry unit for reinforced retaining wall | — | 2000-04-18 |