Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9839315 | Multi-wire quick assemble tree | Chang-Jun He, Chi Kin Samuel Kwok | 2017-12-12 |
| 9843147 | Powered tree construction | Ricky Tong, Chi Kin Samuel Kwok, Chang-Jun He | 2017-12-12 |