Xu; Xunjun
Patent Applications and Registrations
Patent applications and USPTO patent grants for Xu; Xunjun.The latest application filed is for "filter having back-flushing cleaning device".
- Xu; Xunjun - Zhejiang CN
- Xu; Xunjun - Zhoushan CN
- XU; Xunjun - Zhoushan City Zhejiang
| Patent | Date |
|---|---|
| Desktop fish tank Grant D879,386 - Lin , et al. | 2020-03-24 |
| Filter having back-flushing cleaning device Grant 10,588,297 - Lin , et al. | 2020-03-17 |
| Filter Having Back-flushing Cleaning Device App 20190313611 - LIN; Jianding ; et al. | 2019-10-17 |
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