Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9915049 | Cost-efficient armor unit | Stephen R Collinsworth | 2018-03-13 |
| 8132985 | Armor unit | Stephen R Collinsworth | 2012-03-13 |
| 5620280 | Concrete armor unit to protect coastal and hydraulic structures and shorelines | George F. Turk | 1997-04-15 |
| 5556230 | Concrete armor unit for the protection of coastal, shore lines and hydraulic structures | George F. Turk | 1996-09-17 |
| 5441362 | Concrete armor unit for protecting coastal and hydraulic structures and shorelines | George F. Turk | 1995-08-15 |