Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9912109 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2018-03-06 |
| 9907136 | Variable multi-color LED light string and controller for an artificial tree | Chi Yin Alan Leung | 2018-02-27 |