Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620280 | Concrete armor unit to protect coastal and hydraulic structures and shorelines | Jeffrey A. Melby | 1997-04-15 |
| 5556230 | Concrete armor unit for the protection of coastal, shore lines and hydraulic structures | Jeffrey A. Melby | 1996-09-17 |
| 5441362 | Concrete armor unit for protecting coastal and hydraulic structures and shorelines | Jeffrey A. Melby | 1995-08-15 |