Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1017141 | Hairpiece | Luzheng Sun, Xiuli Li, Zongjiang Li | 2024-03-05 |
| 8951104 | Fixing structure for ventilator cover spring | Qiuqian Liang | 2015-02-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1017141 | Hairpiece | Luzheng Sun, Xiuli Li, Zongjiang Li | 2024-03-05 |
| 8951104 | Fixing structure for ventilator cover spring | Qiuqian Liang | 2015-02-10 |