Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D640196 | Battery pack | Jie Chen | 2011-06-21 |
| D640197 | Battery pack | Keith Park | 2011-06-21 |
| 7866055 | Level provided with impact-absorbing end caps | Yuexiang Zhang, Ming-Chan Chen | 2011-01-11 |