Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789926 | Light-generating bicycle pedal | — | 2004-09-14 |
| 6778342 | Coated substrates for resisting dizziness, enhancing displayed color, eliminating static electricity and blocking radiation | Tao-Kuang Chang, Chih-Feng Chang | 2004-08-17 |
| 6744145 | Footwear with a power generator | — | 2004-06-01 |