Zhenyuan Yu

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Fujian, CN

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Patents Grantslast 30 patents

Information Patent Grant
Foot wearing device for correcting sitting posture and method for c...
- Patent number 11,417,190
- Issue date Aug 16, 2022
- Chaobin Yu
- G08 - SIGNALLING
Information Patent Grant
Extension strap for bra
- Patent number 11,317,665
- Issue date May 3, 2022
- Chaobin Yu
- A41 - WEARING APPAREL