Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6273200 | Screwdriver with manuel spindel lock | Roger Q. Smith, Tong Chi Kin, Lam Kar Lok | 2001-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6273200 | Screwdriver with manuel spindel lock | Roger Q. Smith, Tong Chi Kin, Lam Kar Lok | 2001-08-14 |