LIU; Qingrong
Patent Applications and Registrations
Patent applications and USPTO patent grants for LIU; Qingrong.The latest application filed is for "auxiliary balloon structure for transcatheter aortic valve replacement (tavr)".
- LIU; Qingrong - BEIJING CN
Trademarks
| Patent | Date |
|---|---|
| Auxiliary Balloon Structure For Transcatheter Aortic Valve Replacement (tavr) App 20210330458 - WU; Yongjian ; et al. | 2021-10-28 |
| Valved Stent And Heart Valve With Same App 20200390543 - ZHAO; Xuancheng ; et al. | 2020-12-17 |
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