Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802450 | Guiding a scanning device to decode 2D symbols | Zhi-guo Chang, Shillin Ding, Ying-feng Lv | 2004-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802450 | Guiding a scanning device to decode 2D symbols | Zhi-guo Chang, Shillin Ding, Ying-feng Lv | 2004-10-12 |