Ou; Qingxiang Sophia
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ou; Qingxiang Sophia.The latest application filed is for "power supply".
- Ou; Qingxiang Sophia - New Territories N/A HK
| Patent | Date |
|---|---|
| Power supply Grant D675,563 - Hoehn , et al. February 5, 2 | 2013-02-05 |
| USB hub Grant D664,146 - Hoehn , et al. July 24, 2 | 2012-07-24 |
| Notebook speaker Grant D638,821 - Hoehn , et al. May 31, 2 | 2011-05-31 |
| Notebook speaker Grant D638,822 - Hoehn , et al. May 31, 2 | 2011-05-31 |
| Volume control Grant D632,281 - Hoehn , et al. February 8, 2 | 2011-02-08 |
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