Yang; Zhi-Cheng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yang; Zhi-Cheng.The latest application filed is for "fan frame".
- Yang; Zhi-Cheng - Shenzhen CN
| Patent | Date |
|---|---|
| Fan frame Grant 8,007,233 - Yang , et al. August 30, 2 | 2011-08-30 |
| Cooling fan with balance structure Grant 7,922,446 - Bei , et al. April 12, 2 | 2011-04-12 |
| Fan Frame App 20090068009 - YANG; ZHI-CHENG ; et al. | 2009-03-12 |
| Cooling Fan App 20090022611 - BEI; LI ; et al. | 2009-01-22 |
| Fan impeller Grant D571,000 - Bei , et al. June 10, 2 | 2008-06-10 |
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