Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072747 | Portable apparatus and fastening device thereof | Guo-Ping Yao | 2011-12-06 |
| 8068337 | Portable apparatus and positioning device thereof | Guo-Ping Yao, Shi-Kun Guo, KE-HUI PENG, Qia-Kai Xie, Jin-Feng Liu | 2011-11-29 |
| 7872860 | Portable apparatus, fastening device and locking mechanism thereof | — | 2011-01-18 |