US Patent D939469 Speaker

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D939469

Patent Inventor Names

Ningning Li0

Tao Wang0

Wei Yin0

Yong Xu0

Zhiyao Wang0

Date of Patent

December 28, 2021

Patent Application Number

35510486

Date Filed

June 22, 2020

Patent Citations Received

‌

US Patent D1040860 Karaoke machine

‌

US Patent D1024017 Audio speaker system

‌

US Patent D1028937 Speaker

Patent Primary Examiner

‌

Mojtaba Tehrani

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