Liao; Yung-Yuan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liao; Yung-Yuan.The latest application filed is for "transmission system for a bicycle".
- Liao; Yung-Yuan - Taichung TW
- Liao; Yung-Yuan - Taichung City TW
- Liao; Yung-Yuan - Kaohsiung TW
- Liao; Yung-Yuan - Kaohsiung City TW
| Patent | Date |
|---|---|
| Bidirectional hub assembly Grant 9,669,657 - Chen , et al. June 6, 2 | 2017-06-06 |
| Transmission System for a Bicycle App 20160347404 - Chen; Hubert ; et al. | 2016-12-01 |
| Bidirectional Hub Assembly App 20160327102 - Chen; Hubert ; et al. | 2016-11-10 |
| Indicating Light For Transportation App 20150062865 - LIAO; Yung-Yuan ; et al. | 2015-03-05 |
| Method Of Manufacturing Plate Workpiece With Surface Microstructures App 20140203462 - Liao; Yung-Yuan ; et al. | 2014-07-24 |
| Electric wheelchair suspension Grant 7,556,109 - Chen , et al. July 7, 2 | 2009-07-07 |
| Wheelchair suspension Grant 7,380,824 - Chen , et al. June 3, 2 | 2008-06-03 |
| Electric wheelchair suspension App 20080053720 - Chen; Yung-Hsin ; et al. | 2008-03-06 |
| Wheelchair suspension App 20070209845 - Chen; Yung-Hsin ; et al. | 2007-09-13 |
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