Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419255 | Driving structure between front and rear wheels of a vehicle | Yun-Chuan Chang | 2002-07-16 |
| 6341768 | Structure of torsion shock absorber | Yun-Chuan Chang | 2002-01-29 |
| 6299186 | Antishock structure of scooter | Yun-Chuan Chang | 2001-10-09 |
| 6279930 | Structure of scooter | Yun-Chuan Chang | 2001-08-28 |
| 6149167 | Shock absorbing structure of inline skates | Wen-Chang Hsu | 2000-11-21 |
| 6116619 | Sole plate structure with shock absorbing effects for roller skates | Chi-Chun Chiu | 2000-09-12 |