Guangliang Chen

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Ruian, CN

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Patents Grantslast 30 patents

Information Patent Grant
Double-safety trailer lock with adjustable length
- Patent number 12,172,478
- Issue date Dec 24, 2024
- Ruian Juli Auto Paris Processing Factory
- Guangliang Chen
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Double-Safety Trailer Lock with Adjustable Length
- Publication number 20230020914
- Publication date Jan 19, 2023
- Ruian Juli Auto Parts Processing Factory
- Guangliang Chen
- B60 - VEHICLES IN GENERAL