Yan; Zhirong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yan; Zhirong.The latest application filed is for "closure assembly".
- Yan; Zhirong - Guangdon CN
- Yan; Zhirong - Guangdong CN
| Patent | Date |
|---|---|
| Closure assembly Grant 8,242,915 - Yan , et al. August 14, 2 | 2012-08-14 |
| Closure assembly App 20090134113 - Yan; Zhirong ; et al. | 2009-05-28 |
| Closure assembly Grant D584,613 - Yan , et al. January 13, 2 | 2009-01-13 |
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