Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11095078 | Powered tree construction with rotation limiting | Ricky Tong, Chi Kin Samuel Kwok, Chang-Jun He | 2021-08-17 |
| 11019692 | Variable multi-color LED light string and controller for an artificial tree | Chi Kin Samuel Kwok | 2021-05-25 |
| 10985513 | Powered tree construction with rotation limiting | Ricky Tong, Chi Kin Samuel Kwok, Chang-Jun He | 2021-04-20 |
| 10934731 | Systems and methods for a container with portholes | Ricky Tong | 2021-03-02 |