Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D892907 | Camera lens holder | Ronald Chi-yin Chan, Yau Sing Hubert Sin | 2020-08-11 |
| 10667588 | Multiple transaction card holder and dispenser | Ronald Chi-yin Chan, Yau Sing Hubert Sin | 2020-06-02 |