Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8839940 | Self-locking type shutter device | Zeyan Guan, Dong Wei, Nian Wang | 2014-09-23 |
| 8820622 | Cash box provided with self-locking mechanism | Yuqing Ye | 2014-09-02 |
| 8816227 | Dust-proof keyboard | Jing He, Dong Wei | 2014-08-26 |
| 8772653 | Encryption keyboard | Jing He, Junkun Zhang, Dong Wei | 2014-07-08 |
| 8459437 | Financial self-help service device for preventing plugging by foreign objects and damage by mucilage glue | Zeyan Guan, Dong Wei, Nian Wang | 2013-06-11 |