Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11725459 | Multiple ridge diamond compact for drill bit and drill bit | Qiang Liu, Guanfu Tu | 2023-08-15 |
| 7107690 | Electric cutting tool | Tat Nin Lui | 2006-09-19 |
| 7101267 | Tool holder for power tool | Tat Nin Lui | 2006-09-05 |