ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,500, issued on April 21, was assigned to PHIHONG TECHNOLOGY Co. LTD. (Taoyuan City, Taiwan).

"Power supply with interchangeable plugs" was invented by Ming-Ching Tsai (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply includes a power adapter unit and a plug unit. The power adapter unit includes a housing with an engaging base formed over bottom surface of the housing, a power conversion module installed in the housing, two electric contact pins in the engaging base electric connecting with the power conversion module, a locking member adjacent to the engaging base. The plug unit is slidably engaged with the engagin...