ALEXANDRIA, Va., June 5 -- United States Patent no. D1,070,964, issued on April 15.
"Trumpet mute" was invented by Luyao Cheng (Henan Province, China).
The patent was filed on Jan. 23, 2025, under Application No. D/987,503.
*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=D1070964&OS=D1070964&RS=D1070964
Disclaimer: Curated by HT Syndication....