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Shenzhen, CN
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Patents Grants
last 30 patents
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Patent Grant
Electronic candle
Patent number
11,118,746
Issue date
Sep 14, 2021
Liling Cao
F21 - LIGHTING
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Patent Grant
Artificial candle and its light bulb
Patent number
10,436,396
Issue date
Oct 8, 2019
Liling Cao
F21 - LIGHTING
Patents Applications
last 30 patents
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Patent Application
ARTIFICIAL CANDLE AND ITS LIGHT BULB
Publication number
20180003352
Publication date
Jan 4, 2018
Liling Cao
F21 - LIGHTING