Zhong; Si
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zhong; Si.The latest application filed is for "air cleaner".
- Zhong; Si - Xiamen CN
- Zhong; Si - Fujian CN
| Patent | Date |
|---|---|
| Air Cleaner App 20210025606 - Zhong; Si ; et al. | 2021-01-28 |
| Method Of Producing A Centrifugal Fan Wheel Without A Volute Casing App 20200372125 - Zhong; Si ; et al. | 2020-11-26 |
| Air purifier Grant D902,368 - Zhong , et al. November 17, 2 | 2020-11-17 |
| Air purifier Grant D888,922 - Zhong | 2020-06-30 |
| Air purifier Grant D888,923 - Zhong | 2020-06-30 |
| Air purifier Grant D878,529 - Zhong | 2020-03-17 |
| Air purifier Grant D855,169 - Zhong , et al. | 2019-07-30 |
| Air purifier Grant D853,545 - Zhong July 9, 2 | 2019-07-09 |
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