Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D496685 | Ink box clip | Yiu Cheong Law | 2004-09-28 |
| D496686 | Ink box clip | Yiu Cheong Law | 2004-09-28 |
| 6783219 | Ink cartridge | Zhao Hui Tang, Yiu Cheong Law | 2004-08-31 |
| 6761441 | Ink cartridge | — | 2004-07-13 |