Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D404091 | Building block | — | 1999-01-12 |
| 5762529 | Multi-sided colored mirror image block set | — | 1998-06-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D404091 | Building block | — | 1999-01-12 |
| 5762529 | Multi-sided colored mirror image block set | — | 1998-06-09 |