ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,680, issued on May 20, was assigned to SPIGEN KOREA Co. LTD. (Seoul, South Korea).

"Portable charging devices with multi-charging functions" was invented by In Sang Jeon (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments relate to a charging device with improved multi-charging function and portability by enabling shape deformation for mounting multiple products or reducing volume through simple operation. According to an embodiment, a charging device connected to an external power supply includes a main body part with a first groove formed in an upper portion, a link part with one end thereof is hinge-coupled to the upper...