ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,631, issued on Feb. 25, was assigned to Hyphenate Inc. (Seoul, South Korea).
"Power adapter" was invented by Min-Kyu Choi (Kingston Upon Thames Surrey, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a power adapter comprising a first prong (12) rotatable between a stowed configuration and a deployed configuration; and a second prong (13, 14) rotatable in an opposing direction between a stowed configuration and a deployed configuration. A deployment mechanism associated with the first and second prongs (12, 13, 14) causes their movement between the stowed and the deployed configurations. The deployment mechanism...