US Patent Issued to Shenzhen Oceanwing Smart Innovations Technology on Aug. 11 for "Doorbell" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,140,765, issued on Aug. 11, was assigned to Shenzhen Oceanwing Smart Innovations Technology Co. Ltd. (Shenzhen, China).

"Doorbell" was invented by Sangmin Yu (Shenzhen, China), Jihui Lai (Shenzhen, China), Chenyu Zhang (Changsha, China) and Chengzhe Jin (Shenzhen, China).

The patent was filed on Nov. 22, 2023, under Application No. D/917,871.

*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=D1140765&OS=D1140765&RS=D1140765

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