Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10248818 | Conductive pattern reading device and method, and interactive platform using same | Daniel Yeung | 2019-04-02 |
| 9844966 | Changeable book system | — | 2017-12-19 |
| 9311822 | Interactive puzzle book assembly | — | 2016-04-12 |
| 9120030 | Book assembly with slider-activated switch | — | 2015-09-01 |
| D684626 | Interchangeable book chassis | Kin Pang | 2013-06-18 |