Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1079826 | Hinged puzzle | — | 2025-06-17 |
| 12097442 | Pentahedral module puzzle | Yu-Cheng Sheng | 2024-09-24 |
| 11878255 | Puzzle kits | Yu-Cheng Sheng | 2024-01-23 |
| D989190 | Puzzle | — | 2023-06-13 |
| D984551 | Puzzle | — | 2023-04-25 |
| 11486551 | Illuminated levitating wand | — | 2022-11-01 |
| 10962179 | Illuminated levitating wand | — | 2021-03-30 |
| 9333398 | Handheld tethered ball device | — | 2016-05-10 |
| 8926331 | Tethered LED illuminated ball | — | 2015-01-06 |