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Guofu Wang
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Weifang City, CN
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Patents Grants
last 30 patents
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Patent Grant
Speaker module housing, speaker module and sounding device
Patent number
10,779,065
Issue date
Sep 15, 2020
GOERTEK, INC.
Guofu Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker module and sound production device
Patent number
10,638,233
Issue date
Apr 28, 2020
GOERTEK, INC.
Huixian Cao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SPEAKER MODULE HOUSING, SPEAKER MODULE AND SOUNDING DEVICE
Publication number
20190246188
Publication date
Aug 8, 2019
GOERTEK INC.
Guofu Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SPEAKER MODULE AND SOUND PRODUCTION DEVICE
Publication number
20190208328
Publication date
Jul 4, 2019
Goertek Inc.
Huixian Cao
H04 - ELECTRIC COMMUNICATION TECHNIQUE