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Shenzhen, CN
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Patents Grants
last 30 patents
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Patent Grant
Intelligent identity-authentication alcohol detector
Patent number
11,541,752
Issue date
Jan 3, 2023
Shenzhen Well Electric Co., Ltd.
Zhi Chen
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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Patent Application
INTELLIGENT IDENTITY-AUTHENTICATION ALCOHOL DETECTOR
Publication number
20200376959
Publication date
Dec 3, 2020
Shenzhen Well Electric Co., Ltd.
Zhi Chen
B60 - VEHICLES IN GENERAL
Information
Patent Application
FACE-RECOGNIZABLE WALL-MOUNTED ALCOHOL DETECTOR
Publication number
20200367813
Publication date
Nov 26, 2020
Shenzhen Well Electric Co., Ltd.
Zhi Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE