Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1024958 | Charging post for floor washing appliance | — | 2024-04-30 |
| D996753 | Hanger for handheld vacuum cleaner | Lei Zhang, Qing Sun | 2023-08-22 |
| 8901277 | Interferon alpha mutant and its polyethylene glycol derivative | Xiaoxia Niu, Minyi Zhou, Yi Yan Yang, Jianbo Sun, Yongqing CHENG | 2014-12-02 |
| 8168751 | Interferon alpha mutant and its polyethylene glycol derivative | Xiaoxia Niu, Minyi Zhou, Yi Yan Yang, Jianbo Sun, Yongqing CHENG | 2012-05-01 |