Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10694855 | Ergonomic chair | Daqiu Wang | 2020-06-30 |
| D888450 | Chair | Daqiu Wang | 2020-06-30 |
| 10590841 | Single shaft dual expansion internal combustion engine | Hung-yih Isaac Du, Russell P. Durrett | 2020-03-17 |
| D875194 | Balance board | Daqiu Wang | 2020-02-11 |