Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8523292 | Bicycle hub assembly whose length is adjustable | Ching-Shu Chen | 2013-09-03 |
| 7641212 | Bicycle frame whose axle peg has a non-rotatable function | Mei-Ling Chen | 2010-01-05 |
| 7516972 | Bicycle rear frame having exactly locking effect | — | 2009-04-14 |