US Patent Issued to Shen Zhen Yaan Energy Technology on April 14 for "Headphone" (Chinese Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,227, issued on April 14, was assigned to Shen Zhen Yaan Energy Technology Co. Ltd. (Shenzhen, China).

"Headphone" was invented by Dingxiang Liu (Shenzhen, China).

The patent was filed on March 27, 2024, under Application No. D/934,754.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1122227&OS=D1122227&RS=D1122227

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