Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972093 | One-way clutch and a clamping structure for a handled tool using the same | — | 2011-07-05 |
| 7896356 | Drill chuck with two-stage gripping | Zexin Zhou | 2011-03-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972093 | One-way clutch and a clamping structure for a handled tool using the same | — | 2011-07-05 |
| 7896356 | Drill chuck with two-stage gripping | Zexin Zhou | 2011-03-01 |