Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445369 | Light emitting diode dot matrix display system with audio output | Edward S. Yang, Grantham Kwok-Hung Pang, Chris Sun-Kin Yeung, David Yang, To Kwan +3 more | 2002-09-03 |