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Patent applications and USPTO patent grants for Zeng; Guohua.The latest application filed is for "snake bone".
Patent | Date |
---|---|
Bending tube Grant 10,816,118 - Zeng , et al. October 27, 2 | 2020-10-27 |
Apparatus for removing calculus in vitro Grant 10,499,940 - Zeng , et al. Dec | 2019-12-10 |
Suction evacuation sheath Grant 10,368,885 - Wan , et al. | 2019-08-06 |
Percutaneous puncture and dilation visible irrigation-suction system and method of using the same Grant 10,213,095 - Zeng , et al. Feb | 2019-02-26 |
Snake Bone App 20180231162 - ZENG; Guohua ;   et al. | 2018-08-16 |
Percutaneous Puncture And Dilation Visible Irrigation-suction System And Method Of Using The Same App 20170340191 - Zeng; Guohua ;   et al. | 2017-11-30 |
Suction Evacuation Sheath App 20170252051 - Wan; Shaw P. ;   et al. | 2017-09-07 |
Apparatus For Removing Calculus In Vitro App 20160120559 - CAO; Fujian ;   et al. | 2016-05-05 |
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