Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7438290 | Sliding shell mechanism for a hollow puzzle | — | 2008-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7438290 | Sliding shell mechanism for a hollow puzzle | — | 2008-10-21 |