Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10522954 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2019-12-31 |
| 10440795 | Variable multi-color LED light string and controller for an artificial tree | Chi Yin Alan Leung | 2019-10-08 |
| 10404019 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2019-09-03 |