Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173935 | Layer board and cart including the layer board | Ying-Chieh Liao | 2021-11-16 |
| D933727 | Oil collector | Ying-Chieh Liao | 2021-10-19 |
| D916407 | Scraper | Ying-Chieh Liao | 2021-04-13 |
| D916413 | Tray for trolley | Ying-Chieh Liao | 2021-04-13 |