US Patent Issued to Guangdong Xin Qian Chao Information Technology, Ltd;, Shanghai Xin Qian Chao Information Technology on Aug. 4 for "Headphone" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,220, issued on Aug. 4, was assigned to Guangdong Xin Qian Chao Information Technology Co. Ltd; (Shenzhen, China) and Shanghai Xin Qian Chao Information Technology Co. Ltd (Shanghai).

"Headphone" was invented by Zhen Jiang (Shenzhen, China) and Sunjie Gu (Shenzhen, China).

The patent was filed on April 21, 2025, under Application No. D/000,294.

*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=D1139220&OS=D1139220&RS=D1139220

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