Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341618 | Non-rectangular block and wall | Craig R. Schaaf | 1994-08-30 |
| 5285610 | Building blocks and their use | Craig R. Schaaf | 1994-02-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341618 | Non-rectangular block and wall | Craig R. Schaaf | 1994-08-30 |
| 5285610 | Building blocks and their use | Craig R. Schaaf | 1994-02-15 |