ALEXANDRIA, Va., March 5 -- United States Patent no. D1,065,594, issued on March 4.
"Chess board door" was invented by Jin Wu (Ontario, Calif.).
The patent was filed on June 2, 2023, under Application No. D/877,200.
*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=D1065594&OS=D1065594&RS=D1065594
Disclaimer: Curated by HT Syndication....