Hsu, Yi-Hsung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hsu, Yi-Hsung.The latest application filed is for "noise-free sprocket wheel".
- Hsu, Yi-Hsung - Taipei TW
- Hsu, Yi-Hsung - Taoyuan Hsien TW
- Hsu; Yi-Hsung - Sanchung City Taipei Hsien TW
- Hsu; Yi-Hsung - San Chung City Taipei Hsien TW
- Hsu; Yi-Hsung - Sanchung Taipei Hsien TW
| Patent | Date |
|---|---|
| Noise-free sprocket wheel App 20050029071 - Hsu, Yi-Hsung | 2005-02-10 |
| Freewheel hub for a bicycle App 20020070088 - Hsu, Yi-Hsung | 2002-06-13 |
| Bicycle handle bar grip Grant D410,834 - Hsu June 8, 1 | 1999-06-08 |
| Bicycle handle grip Grant D404,282 - Hsu January 19, 1 | 1999-01-19 |
| Electronic bicycle derailleur control apparatus Grant 5,514,041 - Hsu May 7, 1 | 1996-05-07 |
| Bicycle speed change mechanisms Grant 5,498,211 - Hsu March 12, 1 | 1996-03-12 |
| Gear shifter for a bicycle Grant D318,836 - Hsu August 6, 1 | 1991-08-06 |
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