ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,536,343, issued on Jan. 27, was assigned to ICTK Co. Ltd. (Seoul, South Korea).

"Security device and substrate" was invented by Kyung Tek Lee (Seoul, South Korea), Jae Seong Lee (Seoul, South Korea) and Du Hyun Jeon (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a security device and a substrate."

The patent was filed on April 17, 2024, under Application No. 18/637,504.

*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=12536343&OS=12536343&RS=12536343

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