Xuemei Ma

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Zhengzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electrical connector structure adapted for vehicle cigarette lighte...
- Patent number 11,056,828
- Issue date Jul 6, 2021
- Yaowu Ma
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electrical connector structure adapted for a cigarette lighting dev...
- Patent number 10,797,436
- Issue date Oct 6, 2020
- Yaowu Ma
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICAL CONNECTOR STRUCTURE ADAPTED FOR VEHICLE CIGARETTE LIGHTE...
- Publication number 20200388956
- Publication date Dec 10, 2020
- Yaowu MA
- B60 - VEHICLES IN GENERAL
Information Patent Application
SECURE ELECTRICAL SOCKET AND PLUG
- Publication number 20180323537
- Publication date Nov 8, 2018
- Yaowu MA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Vehicle Key Apparatus
- Publication number 20170088099
- Publication date Mar 30, 2017
- Yaowu Ma
- B60 - VEHICLES IN GENERAL