Chang; Chao-Hsien
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Chao-Hsien.The latest application filed is for "patient lift apparatus and patient lift service dispatch system".
- Chang; Chao-Hsien - Zhonghe N/A TW
- Chang; Chao-Hsien - New Taipei City TW
- Chang; Chao-Hsien - Zhonghe City TW
| Patent | Date |
|---|---|
| Light emitting devices having heat-dissipating surface Grant 8,408,747 - Wang , et al. April 2, 2 | 2013-04-02 |
| Patient Lift Apparatus And Patient Lift Service Dispatch System App 20120095777 - Chang; Chao-Hsien ; et al. | 2012-04-19 |
| Light Emitting Devices Having Heat-dissipating Surface App 20100085754 - Wang; Kung-Hsia ; et al. | 2010-04-08 |
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