Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D457199 | Double-sided scalene triangle puzzle | — | 2002-05-14 |
| D429775 | Scalene triangle puzzle | — | 2000-08-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D457199 | Double-sided scalene triangle puzzle | — | 2002-05-14 |
| D429775 | Scalene triangle puzzle | — | 2000-08-22 |