Xuehong CHEN

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Yangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rigid connecting device for connecting the upper and lower surfaces...
- Patent number 10,994,465
- Issue date May 4, 2021
- YAPP AUTOMOTIVE SYSTEMS CO., LTD
- Yan Sun
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RIGID CONNECTING DEVICE FOR CONNECTING THE UPPER AND LOWER SURFACES...
- Publication number 20180311880
- Publication date Nov 1, 2018
- YAPP Automotive Systems Co., Ltd.
- Yan SUN
- B60 - VEHICLES IN GENERAL