Nannan YU

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Connection structure for composite backrest and a method for making...
- Patent number 11,737,566
- Issue date Aug 29, 2023
- SHANGHAI CEDAR COMPOSITES TECHNOLOGY CO., LTD.
- Yi Peng
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
CONNECTION STRUCTURE FOR COMPOSITE BACKREST AND A METHOD FOR MAKING...
- Publication number 20220400867
- Publication date Dec 22, 2022
- SHANGHAI CEDAR COMPOSITES TECHNOLOGY CO., LTD.
- Yi PENG
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...