Chang; Hsiu Wei
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Hsiu Wei.The latest application filed is for "adjustable flexible massage cushion".
- Chang; Hsiu Wei - Taipei TW
- Chang; Hsiu-Wei - Longtan Township Taoyuan County TW
| Patent | Date |
|---|---|
| Adjustable flexible massage cushion App 20100223731 - Chang; Hsiu Wei | 2010-09-09 |
| Interleaving control type inverter Grant 7,199,622 - Chang , et al. April 3, 2 | 2007-04-03 |
| Interleaving control method for AC inverter App 20060120121 - Chang; Song-Chu ; et al. | 2006-06-08 |
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