ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,713, issued on May 19, was assigned to Hoseo University Academic Cooperation Foundation (Chungcheon gnam-do, South Korea).

"Location estimation device and method for estimating location of transmitting device under water" was invented by Hak-Lim Ko (Chungcheongnam-do, South Korea) and Ho-Jun Lee (Chungcheongnam-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transmitting device location estimation device and a transmitting device location estimation method for estimating the location of a transmitting device under water are disclosed. A transmitting device location estimation device, in a transmitting device location estimation devic...