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Patents Grants
last 30 patents
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Patent Grant
Mechanical vaporizer
Patent number
11,304,444
Issue date
Apr 19, 2022
Shenzhen Topgreen Technology Co Ltd.
Guobin Jia
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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Patent Grant
Direct heating vaporizer
Patent number
11,304,452
Issue date
Apr 19, 2022
Shenzhen Topgreen Technology Co Ltd.
Guobin Jia
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Patents Applications
last 30 patents
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Patent Application
Direct Heating Vaporizer
Publication number
20210315276
Publication date
Oct 14, 2021
Shenzhen TopGreen Technology Co. Ltd.
Guobin JIA
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
Mechanical Vaporizer
Publication number
20210059315
Publication date
Mar 4, 2021
Shenzhen TopGreen Technology Co. Ltd.
Guobin JIA
G01 - MEASURING TESTING