Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7896323 | Methods and apparatus for clamping tools | Sun Xiao Wei | 2011-03-01 |
| 7784143 | Apparatus for building tools | — | 2010-08-31 |
| 7093828 | Methods and apparatus for clamping tools | Sun Xiao Wei | 2006-08-22 |