Zhengwen Li

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dynamoelectric concealed obvious warning board for car
- Patent number 8,336,480
- Issue date Dec 25, 2012
- Zhengwen Li
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
DYNAMOELETRIC CONCEALED OBVIOUS WARNING BOARD FOR CAR
- Publication number 20110067620
- Publication date Mar 24, 2011
- Zhengwen Li
- B60 - VEHICLES IN GENERAL