Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10842306 | Multi-wire quick assemble tree | Chi Yin Alan Leung, Chang-Jun He | 2020-11-24 |
| 10777949 | Powered tree construction | Chi Yin Alan Leung, Ricky Tong, Chang-Jun He | 2020-09-15 |
| 10728978 | Variable multi-color LED light string and controller for an artificial tree | Chi Yin Alan Leung | 2020-07-28 |
| 10533738 | Systems and methods for water-resistant lamp holders | Chi Yin Alan Leung, Changjun He | 2020-01-14 |