Wenhui MA

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hanging structure for seating foam
- Patent number 12,096,862
- Issue date Sep 24, 2024
- Yanfeng International Automotive Technology Co., Ltd.
- Yanfei Liu
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HANGING STRUCTURE FOR SEAT FOAM
- Publication number 20220330704
- Publication date Oct 20, 2022
- Yanfei LIU
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...