Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10780567 | Accessory attachment for driven fastener hand tool | Raymond Wong, Shih-Yi Chen | 2020-09-22 |
| 10780594 | Staggered multilayer trimming head applied in an electric haircutter | — | 2020-09-22 |
| 10759031 | Support for elastomeric disc valve in combustion driven fastener hand tool | Raymond Wong, Shih-Yi Chen | 2020-09-01 |
| 10618153 | Fuel system for a combustion driven fastener hand tool | Raymond Wong, Shih-Yi Chen | 2020-04-14 |