Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D902959 | Pumping device | Ying-Chieh Liao | 2020-11-24 |
| D887664 | Tray for wagon | Ying-Chieh Liao | 2020-06-16 |
| D880078 | Sucker | Ying-Chieh Liao | 2020-03-31 |
| D874241 | Caulk tool | Ying-Chieh Liao | 2020-02-04 |