Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337605 | Concrete building blocks with looped securing rods for mortarless wall construction | — | 1982-07-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337605 | Concrete building blocks with looped securing rods for mortarless wall construction | — | 1982-07-06 |