Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319440 | Building blocks, wall structures made therefrom and methods of making the same | John N. Rassias | 1982-03-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319440 | Building blocks, wall structures made therefrom and methods of making the same | John N. Rassias | 1982-03-16 |