ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,759, issued on Jan. 13, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Guangdong, China).

"Power adapter" was invented by Zhouquan Zuo (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power adapter includes a housing, a holder, a moving part, and a prong. The housing defines an inner cavity and a through groove communicating with the inner cavity, and the holder is received in the inner cavity and provided with a boss fitting the through groove. The boss defines a receiving groove at a side away from the inner cavity. The moving part is movably connected to the holder and partially exposed to an outside of the...