ALEXANDRIA, Va., Feb. 17 -- United States Patent no. D1,113,532, issued on Feb. 17, was assigned to Hangzhou Denghong Technology Co. Ltd. (Hangzhou, China).
"Doorbell" was invented by Hongtao Wang (Zhejiang, China), Shuaibin Chen (Zhejiang, China), Zefei Jiang (Zhejiang, China) and Hong Xia (Zhejiang, China).
The patent was filed on Sept. 29, 2023, under Application No. D/903,993.
*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=D1113532&OS=D1113532&RS=D1113532
Disclaimer: Curated by HT Syndication....