Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974225 | Sequence lighting system for footwear | — | 2005-12-13 |
| 6949713 | Lighting system having vibration switch and with plurality of displaying sequences | Pi-Lin Wang | 2005-09-27 |
| 5812063 | Lighting circuit assembly for shoes | Ming-Ta Chang | 1998-09-22 |
| 5663614 | Lighting circuit module for a shoe | Ming-Ta Chang | 1997-09-02 |