Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478021 | Construction material, a modular, pre-insulated and furred structural masonry building block | — | 1984-10-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478021 | Construction material, a modular, pre-insulated and furred structural masonry building block | — | 1984-10-23 |