ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,892, issued on May 19, was assigned to Industry-Academic Cooperation Foundation, Yonsei University (Seoul, South Korea).

"Acoustic wave propagation device having medium for acoustic wave propagation and the making method of the medium for acoustic wave propagation" was invented by Hyung Suk Lee (Seoul, South Korea), Jun Ki Baek (Seoul, South Korea), Chan Ryeol Rhyou (Seoul, South Korea) and Byung Jun Kang (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an acoustic wave transmission device for moving a fluid or fine particles inside the fluid to a desired position using acoustic waves, and more parti...