Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9964383 | Toy projectile and method of making | Kin Fai Chang, Chun Wing Wong, Peter Fan | 2018-05-08 |
| 9829290 | Toy projectile and method of making | Kin Fai Chang, Chun Wing Wong, Peter Fan | 2017-11-28 |
| 9261336 | Toy projectile and method of making | Kin Fai Chang, Chun Wing Wong, Peter Fan | 2016-02-16 |
| 7107642 | Adjustable mattress and pillow system | Sui-Kay Wong, Tit Shing Wong, Wa Choi Cheung | 2006-09-19 |