Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9937565 | Stud finder and laser level assembly for a power drill | Jiefan Hu, Hengxing Yang, Xinhui Zhang | 2018-04-10 |
| 9272890 | Corkscrew assembly for use with a power tool | Michael J. Lawlor, Xinhui Zhang, Jiguo Liu, Chengyuan Wei | 2016-03-01 |