Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11833643 | Pressing and driving mechanism and electric screwdriver containing the same | — | 2023-12-05 |
| 11345002 | Pressing and driving mechanism and electric screwdriver containing the same | — | 2022-05-31 |
| 11325217 | Accessory for an electric power tool | Tsz Kin Wong | 2022-05-10 |
| 10328541 | Accessory for an electric power tool | Tsz Kin Wong | 2019-06-25 |
| 8966698 | Brush head for an electric toothbrush | Wai T. Chan | 2015-03-03 |
| 8727838 | Auxiliary sander attachment for portable sander | Hei Shun Leung | 2014-05-20 |
| 8322457 | Power tool chuck assembly with hammer mechanism | Xian Guo Zhao, Zhi Liu Gu | 2012-12-04 |
| 8075229 | Multi-speed drill and chuck assembly | Kok Vui Lai | 2011-12-13 |
| 8057134 | Chuck assembly | Kok Vui Lai | 2011-11-15 |
| 7040023 | Toolless blade holder for a reciprocating tool | John E. Nemazi | 2006-05-09 |