Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9120216 | Working component for mating with multiple shaft ends | Xiaofeng Zhang | 2015-09-01 |
| 9044874 | Working component for mating with multiple shaft ends | Xiaofeng Zhang | 2015-06-02 |
| 8827278 | Adaptor for adapting a working element to an end of a power tool shaft | Zhiguo Chen, Xiaofeng Zhang | 2014-09-09 |
| D677546 | Oscillating tool working attachment | Hongtao Zhou, Li Xing | 2013-03-12 |