Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11674800 | Laser level meter and use method therefor | Eddie Kwan, Wah Pong Chan | 2023-06-13 |
| 11047681 | Levelling apparatus having an oscillating light generation unit | Philip Cheung, John Yue Jun Jiang | 2021-06-29 |
| 10591296 | Laser leveling tool with adaptive thermal control | Yat Shan Kwan, Wah Pong Chan | 2020-03-17 |
| 9441963 | Multifunction laser leveling tool | Wah Pong Chan, Yat Wah Lam | 2016-09-13 |