US Patent Issued to DP Audio Video on Aug. 4 for "Karaoke machine" (California Inventor)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,464, issued on Aug. 4, was assigned to DP Audio Video LLC (Los Angeles).

"Karaoke machine" was invented by Roy Rayn (Los Angeles).

The patent was filed on May 19, 2023, under Application No. D/876,347.

*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=D1139464&OS=D1139464&RS=D1139464

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