Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11357680 | Sit assist device | — | 2022-06-14 |
| 11326722 | Line organizer | Conway Kin Wai Hui | 2022-05-10 |
| 10113612 | Line tensioner | Conway Kin Wai Hui | 2018-10-30 |
| 7049822 | Combination battery, light bulb, and fuse tester | — | 2006-05-23 |
| D423130 | Booklight | — | 2000-04-18 |
| D413504 | Multi-use tool | — | 1999-09-07 |
| D306910 | Mini torch | — | 1990-03-27 |
| D300569 | Combined fluorescent lantern and torch | Wai Man LAU | 1989-04-04 |
| D276080 | Torch | — | 1984-10-23 |