Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817745 | Optical means primarily for decorative applications and articles including same | Kwok Shing Leung | 2004-11-16 |
| 6776498 | Footwear with speed threshold indicative luminous signal generator and circuitry therefor | — | 2004-08-17 |