Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8291783 | Helical locking mechanism for doors | Xiang Shi, Yu Gu, Wenping Liu, Baogang Chen, Bangrong Ni | 2012-10-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8291783 | Helical locking mechanism for doors | Xiang Shi, Yu Gu, Wenping Liu, Baogang Chen, Bangrong Ni | 2012-10-23 |