Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974374 | Impact driver screw driving device with depth adjustment | — | 2021-04-13 |
| 10821579 | Screw driving device for use with an impact driver | Kun-Lin Wu | 2020-11-03 |
| 9566695 | Screw driving device with adjustable countersink depth | — | 2017-02-14 |
| 9302377 | Screw driving device | — | 2016-04-05 |
| 7387054 | Screw driving device | — | 2008-06-17 |