Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7090439 | Retaining wall construction element for railway installations | John M. Carey | 2006-08-15 |
| 7073984 | Retaining wall construction element and shear key | John M. Carey | 2006-07-11 |
| 7044687 | Retaining wall construction including precast elements | John M. Carey | 2006-05-16 |
| 6994495 | Reinforced retaining wall construction element | John M. Carey | 2006-02-07 |
| 4653962 | Retaining wall construction and method of manufacture | David P. McKittrick, John M. Carey | 1987-03-31 |