Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4271647 | Prestressed concrete tanks with shear blocks for resisting shearing forces | — | 1981-06-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4271647 | Prestressed concrete tanks with shear blocks for resisting shearing forces | — | 1981-06-09 |