ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,830, issued on March 24, was assigned to NOUL Co. LTD. (Yongin-si, South Korea).

"Blood staining patch, method and device for blood test using the same" was invented by Dong Young Lee (Gyeonggi-do, South Korea), Chan Yang Lim (Gyeonggi-do, South Korea), Kyung Hwan Kim (Gyeonggi-do, South Korea), Young Min Shin (Gyeonggi-do, South Korea) and Hyun Jeong Yang (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a blood staining patch, a method and device for a blood test using the same, and more particularly, to a patch configured to contain a staining reagent for staining blood and a method and de...