ALEXANDRIA, Va., June 17 -- United States Patent no. D1,077,273, issued on May 27, was assigned to Guangzhou Soundbox Acoustic Technology Co. Ltd (Guangzhou, China).
"Movable silence booth" was invented by Yimin Yin (Guangzhou, China), Zude Liu (Guangzhou, China) and Suping Dong (Guangzhou, China).
The patent was filed on March 11, 2022, under Application No. D/792,199.
*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=D1077273&OS=D1077273&RS=D1077273
Disclaimer: Curated by HT Syndication....