ALEXANDRIA, Va., June 5 -- United States Patent no. 12,279,221, issued on April 15, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Measure for changing PLMN" was invented by Sungduck Chun (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "One disclosure of the present specification provides a method for a terminal roaming in a second Public Land Mobile Network (PLMN) to change the connection to a first PLMN to which the terminal is subscribed. The method may include a step for the first PLMN to receive a first message including first information from a base station in the second PLMN. The method may include a step for inspecting whether a procedure for deregistering from the secon...